Thursday, March 29, 2012

Math Set - 24

  1. 15% of ? = 94.5
  2. a. 630   b. 141
    c. 1410  d. 150
  3. 999 ÷ 9 ÷ 3 = ?
  4. a. 33 b. 35
    c. 37 d. 41
  5. 159 x 158 = 15?
  6. a. 72 b. 17
    c. 1  d. 24
  7. If 36a + 36b = 288, what is the average of a & b?
  8. a. 2 b. 4
    c. 8 d. 12
  9. Find the average of the following set of scores: 345, 231, 777, 560, 892, 443, 556
  10. a. 542  b. 550
    c. 560  d. 562
  11. 63% of a number is 2583. What is 45% of that number?
  12. a. 1763  b. 1927
    c. 1845  d. 2312
  13. A car covers a distance of 728 kms in 13 hours. What is the speed of the car?
  14. a. 46 km/hr  b. 48 km/hr
    c. 52 km/hr  d. 56 km/hr
  15. What is the least number to be added to 3986 to make it a perfect squre?
  16. a. 95   b. 100
    c. 110  d. 118
  17. Mohit & Sumit are 35 & 40 years respectively. After how many years would the ratio of their ages become 9:10?
  18. a. 5 yrs  b. 10 yrs
    c. 12 yrs d. 15 yrs
  19. 15 women can complete a work in 4 days. In how many days will 20 women complete the work
  20. a. 3 days    b. 2 days
    c. 2.5 days  d. 4 days
  21. What is 411 times of 108?
  22. a. 44388 b. 45848
    c. 41328 d. 42818
  23. 51% of a number is 714. What is 28% of that number?
  24. a. 351  b. 392
    c. 364  d. 378
  25. A canteen requires 42 dozens apples for a week. How many dozen apple will it require for 39 days?
  26. a. 294  b. 273
    c. 234  d. 256
  27. What would be the compound interest obtained on an amount of Rs. 5500 at the rate of 5 P.C.pa after two years?
  28. a. Rs. 555.85  b. Rs. 645
    c. Rs. 588     d. Rs. 563.75
  29. The cost of 15 cell phones and 10 watches is Rs. 60675. What is the cost of 3 cell phones and 2 watches?
  30. a. Rs. 11135  b. Rs. 12135
    c. Rs. 13125  d. Rs. 13235
  31. The average age of a woman and her daughter is 24 years. The ratio of their ages is 3:1 respectively. What is daughter’s age?
  32. a. 12 yrs b. 16 yrs
    c. 18 yrs d. 8 yrs
  33. Bishal invests Rs. 5724 in mutual funds, which is 18% of his monthly income. What is his monthly income?
  34. a. Rs. 26800  b. Rs. 29800
    c. Rs. 31800  d. Rs. 32800
  35. The average of 5 consecutive odd numbers A, B, C, D and E is 95. What is the product of C and E?
  36. a. 9215  b. 9405
    c. 9120  d. 9225
  37. What is the least number to be added to 8200 to make a perfect square?
  38. a. 51  b. 61
    c. 71  d. 81
  39. The average age of 3 friends is 32 years. If the age of the fourth friend is added, their average age comes to 31 years. What is the age of the fourth friend?
  40. a. 32 yrs b. 28 yrs
    c. 26 yrs d. 24 yrs



Answers:-
1.(a) 2.(c) 3.(b) 4.(b) 5.(a) 6.(c) 7.(d) 8.(c)
9.(b) 10.(a) 11.(a) 12.(b) 13.(c) 14.(d) 15.(b) 16.(a)
17.(c) 18.(b) 19.(d) 20.(b)

Wednesday, March 28, 2012

Math Set - 23

  1. A person incurs 5% loss by selling a watch for Rs. 1140. To earn 55 profit, at what price the watch should be sold?
  2. a. Rs. 1311 b. Rs. 1197
    c. 1254     d. Rs. 1260
  3. A person sells 320 mangoes at the cost price of 400 mangoes. What is his profit percent?
  4. a. 10% b. 15%
    c. 20% d. 25%
  5. A seller marks his goods 30% above the cost price but allows 15% discount for cash payment. What is his profit percent when sold in cash?
  6. a. 10.5%      b. 8.5%
    c. 9%         d. 15%
  7. A number when divided by 133 leaves a remainder 21. If the same number is divided by 19, then the remainder will be
  8. a. 1  b. 2
    c. 7  d. 21
  9. In what time Rs. 8000 at 3% simple interest per annum will produce the same earning as Rs. 6000 do in 5 years at 4% simple interest per annum?
  10. a. 3 years  b. 4 years
    c. 5 years  d. 6 years
  11. A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B now does the work only for half a day daily, then in how many days A and B together will complete the work?
  12. a. 15 days  b. 11 days
    c. 20 days  d. 10 days
  13. If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days?
  14. a. 1 day    b. 7 days
    c. 49 days  d. 3.5 days
  15. A tap can fill a tank in 25 minutes and another tap can empty it in 50 minutes. If both the taps are opened together simultaneously then the tank will be filled in
  16. a. 20 minutes b. 30 minutes
    c. 40 minutes d. 50 minutes
  17. 3674 ÷ 44 = ?
  18. a. 81.5 b. 82.5
    c. 83.5 d. 84.5
  19. 363 x 53 -24002 = ?
  20. a. 720         b. 7200
    c. 72000       d. 72
  21. 11256 + 5838 – 623 = ? x 91
  22. a. 174 b. 181
    c. 195 d. 201
  23. 89% of 541 = ?
  24. a. 450.65  b. 437.72
    c. 445.67  d. 481.49
  25. 68.8 x 14.7 x 7.1 = ?
  26. a. 7108.565 b. 7018.665
    c. 7081.556 d. 7180.656
  27. 9.3 x ? = 523.59
  28. a. 56.3 b. 42.7
    c. 68.9 d. 74.8
  29. 10354 – 6815 – 1359 = ?
  30. a. 2180 b. 1720
    c. 1940 d. 2270
  31. 16 x ? = 8736 ÷ 6
  32. a. 79  b. 115
    c. 103 d. 91
  33. 35% of 411 - ?% of 272 = 84.01
  34. a. 17% b. 22%
    c. 25% d. 31%
  35. 155 + 45 x 9 = ?
  36. a. 209  b. 560
    c. 1440 d. 6980
  37. sqrt of (330625) = ?
  38. a. 545 b. 565
    c. 575 d. 615
  39. 372.81 – 0.002 + 2.004 = ?
  40. a. 374.812  b. 374.141
    c. 374.816  d. 376.812



Answers:-
1.(d) 2.(d) 3.(a) 4.(b) 5.(c) 6.(a) 7.(b) 8.(d)
9.(c) 10.(c) 11.(b) 12.(d) 13.(d) 14.(a) 15.(a) 16
(d) 17.(b) 18.(b) 19.(c) 20.(a)

Friday, March 23, 2012

Math Set - 22

  1. A person wants to travel a distance of 50 km by his bicycle. He travels with the speed of 12.5 km/hr. After every 12.5 km, he takes a rest for 20 minutes. How much time will he take to complete the whole distance?
  2. a. 4 h 20 min  b. 5 h 20 min
    c. 5 hours     d. 6 hours
  3. A and b walk on a circular path whose circumference is 35 km. They start walking from the same place in the direction and at the same time. Speed of A is 4 km/h and speed of B is 5 km/h. After how much time will they meet again
  4. a. 15 hours  b. 21 hours
    c. 35 hours  d. 42 hours
  5. Radius of a wheel is 0.25 m. how many times will it take to complete the distance of 11 km.?
  6. a. 2800  b. 7000
    c. 4000  d. 5500
  7. A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?
  8. a. 7.2  b. 3.6
    c. 10   d. 8.4
  9. At present, average age of Ashok and Pradeep is 4:3. After six years Ashok’s age will be 26 years. What is the age of Pradeep at present?
  10. a. 12 years   b. 15 years
    c. 19.5 years d. 21 years
  11. How many cubes of 10 cm edge can be put in a cubic box of 1 m edge?
  12. a. 10   b. 100
    c. 1000 d. 10000
  13. A man has some hens and cows. If the numbers of heads be 48 and number of feet equals 140, then the numbers of hen will be
  14. a. 22 b. 23
    c. 24 d. 26 
  15. By selling 12 oranges for a rupee, a man loses 20%. How many for a rupee should he sell to get a gain of 20%?
  16. a. 5 b. 8
    c.10 d. 15
  17. How many times a day, are the hands of a clock in straight line but opposite in diretion?
  18. a. 24 b. 20
    c. 22 d. 48
  19. Which of the following is the smallest number that gives remainder ‘2‘everytime, when divided by 6, 7, 8, 9 and 12?
  20. a. 756  b. 504
    c. 754  d. 506
    
  21. Sqrt of (0.9) = ?
  22. a. 0.3  b. 0.94
    c. 0.03 d. 0.33
  23. In an examination, 65% students passed in Civics and 60% in History. 40% passed in both of these subjects. If 90 students failed in History and Civics both, then what is the total number of students?
  24. a. 600  b. 650
    c. 700  d. 750
  25. A mixture of water and milk is 40 litres. There are 10% water in it. How much water should now be added in this mixture so that new mixture contains 20% water?
  26. a. 4 litres   b. 5 litres
    c. 6.5 litrs  d. 7.5 litres
  27. The length of a rectangle is increased by 40% and its breath decreased by 30%. The change in the area of the rectangle is
  28. a.10% increased  b. 10% decreased
    c. 2% increased  d. 2% decreased
  29. The average marks of 48 students in a class is 45. The average marks of the boys in the class is 40 and the average marks of the girls in the class is 50. What is the ratio between the number of boys number of girls in the and the class?
  30. a. 3:5  b. 4:5
    c. 1:1  d. Data inadequate
  31. The average earning of a mechanic for the first four days of a week are Rs. 18 and for the last four days Rs. 22. If he earns Rs. 20 on the fourth day, then his average earnings for the whole week are
  32. a. Rs. 18.95 b. Rs. 16
    c. Rs. 20    d. Rs. 25.71
  33. Rs. 53 are divided among A, B and C such that A gets Rs. 7 more than B and B gets Rs. 8 more than C. What is the ratio of their shares?
  34. a. 16:9:18   b. 25:18:10
    c. 18:25:10  d. 15:8:30
  35. Two numbers are in the ratio 5:9. After adding 9 to each number, the ratio becomes 16:27. One number out of the two will be
  36. a. 99  b. 77
    c. 88  d. 66
  37. Kanti started a business investing Rs. 9000. After five months, Sudhakar joined with a capital of Rs. 8000. If at the end of the year, they earned a profit of Rs. 6970, then what will be the share of Sudhaker in the profit?
  38. a. Rs. 3690  b. Rs. 1883.78
    c. Rs. 2380  d. Rs. 3864
  39. Rs. 700 are distributed among A, B and C such that A gets half of what B gets and b gets half of what C gets. What is the share of C?
  40. a. Rs. 600  b. Rs. 400
    c. Rs. 300  d. Rs. 200



Answers:-
1.(c) 2.(c) 3.(b) 4.(a) 5.(b) 6.(c) 7.(d) 8.(b)
9.(a) 10.(d) 11.(b) 12.(a) 13.(b) 14.(d) 15.(c) 16.(c)
17.(b) 18.(a) 19.(c) 20.(b)

Wednesday, February 29, 2012

Math Set - 21

  1. (0.9 x 0.9 x 0.9 + 0.1 x 0.1 x 0.1) is equal to
  2. a. 0.73  b. 0.82
    c. 0.91  d. 1.00
    
  3. By what least number should 4320 be multiplied so as to obtain a number which is a perfect cube?
  4. a. 40  b. 50
    c. 60  d. 80
    
  5. In an examination, a student had to obtain 33% of the maximum to pass. He got 125 marks and failed by 40 marks. The maximum marks were
  6. a. 500  b. 600
    c. 800  d. 1000
    
  7. If A:B = 3:4 and B:C = 8:9 then A:B:C is
  8. a. 8:6:9  b. 9:8:6
    c. 6:8:9  d. 3:32:9
    
  9. If 30% of (B-A) = 18% of (B+A), then the ratio A:B is equal to
  10. a. 4:1  b. 1:4
    c. 5:4  d. 5:9
    
  11. Two numbers are in the ratio 3:5 and their LCM is 225. The smaller number is
  12. a. 45  b. 60
    c. 75  d. 90
    
  13. The difference between the selling price and cost price of an article is Rs. 210. If the profit percent is 25, then the selling price of the article is
  14. a. Rs. 950   b. Rs. 1050
    c. Rs. 1150  d. Rs. 1250
    
  15. If the ratio of the cost price and the sale price of an article be 5:6, the percentage of gain is
  16. a. 25  b. 20
    c. 18  d. 15
    
  17. An article, which is marked Rs. 650, is sold for Rs. 572. The discount given is
  18. a. 12%  b. 13%
    c. 21%  d. 26%
    
  19. Two successive discounts of 10% and 5% are equivalent to a single discount of
  20. a.14%    b. 14.25%
    c.14.50% d. 15%
    
  21. 32 is what percent of 80?
  22. a. 24%  b. 25.6%
    c. 36%  d. 40%
    
  23. The length of a rectangular plot of land is increased by 5% and the breathe is decreased by 10%, how much will its area increase or decrease?
  24. a. 6.5% increase b. 5.5% decrease
    c. 5.5% increase d. 6.5% decrease
    
  25. A alone can complete a work in 18 days and B alone in 15 days. B alone worked at it for 10 days and then left the work. In how many more days, will A alone complete the remaining work?
  26. a. 5  b. 5.5
    c. 6  d. 8
    
  27. Tapas works twice as fast as Mihir. If both of them together complete a work in 12 days, Tapas alone can complete it in
  28. a. 15 days  b. 18 days
    c. 20 days  d. 24 days
    
  29. The speeds of the two trains are in the ratio 6:7. If the second train runs 364 km in 4 hours, then the speed of first train is
  30. a. 60 km/hr  b. 72 km/hr
    c. 78 km/hr  d. 84 km/hr
    
  31. Two trains, 80 meters and 120 meters long, are running at the speed of 25 km/hr and 35 km/hr respectively in the same direction on parallel tracks. How many seconds will they take to pass each other?
  32. a. 48  b. 64
    c. 70  d. 72
    
  33. At some rate of simple interest, A lent Rs. 6000 to B for 2 years and Rs. 1500 to C for 4 years and received Rs. 900 as interest from both of them together. The rate of interest per annum was
  34. a. 5%  b. 6%
    c. 8%  d. 10%
    
  35. A sum of money becomes double in 3 years at compound interest compounded annually. At the same rate, in how many years will it become four times of itself?
  36. a. 4    b. 6
    c. 6.4  d. 7.5
    
  37. There are 50 students in a class. Their average weight is 45 kg. When one student leaves the class the average weight reduces by 100 gm. What is the weight of the student who left the class?
  38. a. 45 kg.    b. 47.9 kg.
    c. 49.9 kg.  d. 50.1 kg.
    
  39. 30 pens and 75 pencils altogether were purchased for Rs. 510. If the average price of a pencil was Rs. 2, what was the average price of a pen?
  40. a. Rs. 9   b. Rs. 10
    c. Rs. 11  d. Rs. 12
    



Answers:-
1.(a) 2.(b) 3.(a) 4.(c) 5.(b) 6.(c) 7.(b) 8.(b)
9.(a) 10.(c) 11.(d) 12.(b) 13.(c) 14.(b) 15.(c) 16.(d)
17.(a) 18.(b) 19.(c) 20.(d)

Math Set - 20


  1. If (17)2 is subtracted from the square of a number, the answer so obtained is 1232. What is the number?
  2. a. 36  b. 42  c. 37
    d. 39  e. 32
    
  3. 22.5 x 32.4 ÷ 4.5 = ?
  4. a. 164  b. 152  c. 156
    d. 166  e. None
    
  5. 3352 + 3331 + 3109 + 3456 = 28810 - ?
  6. a. 13748  b. 15602  c. 13478
    d. 15562  e. None
    
  7. 324 x 149 = ?
  8. a. 47628 b. 48276 c. 47978
    d. 48622 e. None
    
  9. 3055 ÷ 25 x 3.4 + 125 = ?
  10. a. 52.50 b. 418.28 c. 662.68
    d. 540.48 e. None
    
  11. 75 x sqrt of (841) ÷ 15 = ?
  12. a. 135  b. 145  c. 125
    d. 115  e. None
    
  13. (63)2 ÷ (?)2 + 32 = 58
  14. a. 81  b. 6  c. 9
    d. 36  e. 7
    
  15. 8452 + 1208 = ? x 28
  16. a. 345  b. 365  c. 355
    d. 325  e. None
    
  17. (5)2 x (25)3 x 125 = 5?
  18. a. 9  b. 7  c. 8
    d. 11 e. None
    
  19. (3750 – 2580) ÷ 25 ÷ 6 = ?
  20. a. 7.80  b. 280.80 c. 15.80
    d. 250.50 e. None
    
  21. 55% of 560 – 28% of ? = 229.6
  22. a. 250  b. 260  c. 300
    d. 320  e. None
    
  23. (10248 ÷ 56) – (7568 ÷ ?) = 11
  24. a. 42  b. 54  c. 48
    d. 52  e. None
    
  25. 97306 – 89306 = ?% of 32000
  26. a. 20  b. 40  c. 35
    d. 25  e. None
    
  27. 12.5% of 350 x 8.4% of 250 = ?
  28. a. 831.25  b. 913.50  c. 918.75
    d. 1050    e. None
    
  29. A number, when divided by 221, leaves a remainder 64. What is the remainder if the same number is divided by 13?
  30. a. 0 b. 1 c. 11
    d. 12    e. None
    
  31. The LCM of two numbers is 44 times of their HCF. The sum of the LCM and HCF is 1125. If one number is 25, then the other number is
  32. a. 1100  b. 975  c. 900
    d. 800   e. None
    
  33. 0.001 is equivalent to
  34. a. 10%  b. 1%  c. 0.01%
    d. 0.1% e. None
    
  35. (6.5 x 6.5 – 45.5 + 3.5 x 3.5) is equal to
  36. a. 10  b. 9  c. 7
    d. 6   e. None
    
  37. If the selling price of 4 articles is equal to the cost price of 5 articles, the profit is
  38. a. 20%  b. 22.5% c. 25%
    d. 30%  e. None
    
  39. If selling price of an article is reduced by 60%, then there is a loss of 10% on cost price. The initial profit percent is
  40. a. 70  b. 80  c. 100
    d. 125   e. None
    



Answers;-
1(d) 2(e) 3(d) 4(b) 5(d) 6(b) 7(c) 8(a)
9(d) 10(b) 11(e) 12(e) 13(d) 14(c) 15(d) 16(a)
17(d) 18(b) 19(c) 20(d)

Math Set - 19

  1. In an examination, Mandhar scored 80 marks in Mathematics, 95 marks in Science, 74 marks in Social Studies, 65 marks in English 72 marks in Hindi. If all the papers were out of 100, what is Mandhar’s overall percentage in the examination?
  2. (a)75 (b)77.2 (c)78.5 (d)80 (e)None
  3. The average of 5 positive numbers is 344. The average of the first two numbers is 650 and the average of last two numbers is 100. what is the third number?
  4. (a)200 (b)210 (c)180 (d)Can’t determined (e)None
  5. Shilpa can complete a piece of work in 15 days and Shamita can complete the same piece of work in 24 days. In approximately, how many days can Shilpa and Shamita together complete the same piece of work?
  6. (a)6 days (b)4 days (c)7 days (d)9 days (e)12 days
  7. Samir’s monthly income is twice Deepa’s monthly income. The ratio of the monthly income Deepa and Sandhya is 7:3 respectively and their average monthly income is Rs. 25000. What is Samir’s monthly income?
  8. (a)Rs. 35000 (b)Rs. 50000 
    (c)Rs. 75000 (d)Can’t determined (e)None
  9. Find the average of the following set of scores- 450, 1050, 12, 390, 143, 286, 550, 999.
  10. (a)390 (b)485 (c)520 (d)500 (e)None
  11. There are 864 banana packed in dozens in 9 boxes. Each box has the same number of bananas. How many dozens of bananas are packed in each box?
  12. (a)12 (b)9 (c)8 (d)6 (e)None
  13. 450% of a number is 4725. What is 82% of that number?
  14. (a)861 (b)1050 (c)681 (d)900 (e)None
  15. A trader sells 40 meters of cloth for Rs. 8200 at a profit of Rs. 25 per meter of cloth. How much profit will the trader earn on 40 meters of cloth?
  16. (a)Rs. 950  (b)Rs. 1500 
    (c)Rs. 1000 (d)Rs. 1200 (e)None
  17. What approximate value will come in place of the question mark (?) in the following question? (352 x 25) / 185 = ?
  18. (a)Rs. 12000 (b)72000 (c)24000 (d)32000 (e)None
  19. Mr. Pandit divided an amount of Rs. 108000 amongst his two daughters and three sons. Eachdaughter received thrice the amount as each of the sons. How much amount did each daughter receive?
  20. (a)Rs. 12000 (b)72000 (c)24000 (d)32000 (e)None
  21. In a sale, a discount of 15% was available on all the articles. If Vinit purchased an article for Rs. 4284 in the sale, what was the actual selling price of the article?
  22. (a)Rs. 5050 (b)Rs. 5000 
    (c)Rs. 5140 (d)Rs. 4950 (e)None
  23. 32 teachers and 120 students were present at the beginning of the annual function and 16 teachers and 24 students came later for the function. What is the respective ratio of the number of teachers to the number of students who attended the function?
  24. (a)1:4 (b)1:3 (c)1:2 (d)2:3 (e)None
  25. A tourist bus covers a distance of 522 kms. At the speed of 58kms/hr. in 11 hours. If the bus halted at a tourist spot in the middle of the journey, for how much time did he halt?
  26. (a)30 minutes (b)1 hour 
    (c)1 hour 30 minutes (d)2 hours (e)None
  27. The area of a circular plot is twice the area of a rectangular plot. If the area of the rectangular plot is 11088 sq. meters, what is the perimeter of the circular plot?
  28. (a)484 meters (b)572 meters 
    (c)528 meters (d)440 meters (e)None
  29. The sum of the two digits of a two-digit number and the difference between the two digits of the two-digit number is 8. What is the two-digit number?
  30. (a)80 (b)88 (c)44 (d)Can’t determined (e)None
  31. The total number of students studying in a college is 4220. If the number of girls studying in the college is 2420, what is the respective ratio of the number of boys to the number of girls studying in the college?
  32. (a)90:131  (b) 90:121
    (c) 121:70 (d) 121:80 (e) None
    
  33. The cost of 4 bags and 12 purse is Rs. 1520, what is the cost of 10 bags and 30 purses?
  34. (a)Rs. 3600 (b)Rs. 3500 (c)Rs. 4000
    (d)Rs. 3900 (e) None
    
  35. The cost of 14 kgs. of rice is Rs. 672, the cost of 12 kgs. of wheat is Rs. 432 and the cost of 18 kgs. of sugar is Rs. 504. What is the total cost of 20 kgs. of rice, 15 kgs. of wheat and 16 kgs. of sugar?
  36. (a)Rs. 1898 (b)Rs. 1948 (c)Rs. 2020
    (d)Rs. 1964 (e) None
    
  37. Vishvesh sets an alarm in two different clocks. The first alarm rings after every 30 minutes and the second alarm rings after every 90 minutes. If they rang together at 11 p.m., when is the earliest they will ring together again?
  38. (a) 12.30 a.m (b) 2.00 a.m (c) 1.30 a.m
    (d) 1.00 a.m   (e) None
    
  39. The respective ratio between two numbers is 4:7. If 4 is added to each of the two numbers, their respective ratio is 3:5. What is the larger number?
  40. (a)42  (b)63  (c) 56
    (d) Can’t determined  (e) None
    



Answers;-
1(b) 2(e) 3(d) 4(e) 5(b) 6(c) 7(a) 8(c) 
9(e) 10(e) 11(e) 12(b) 13(d) 14(c) 15(a) 16(b) 
17(e) 18(b) 19(a) 20(c)

Monday, January 30, 2012

Math Set - 18

  1. A sample is prepared by adding 25% by volume of water to pure glycerin. 40 liters of the sample is taken and to it pure glycerin is added in such a way that water comes down to 5% of the volume of the mixture. The of pure glycerin added is
  2. a. 150 liters b. 100 liters
    c. 160 liters d. 140 liters
    
  3. A man has to cover 80 km. in 10 hours. He covers half of the journey in 3/5 of the time. If he has cover the remaining distance in the time left, his speed in km. per hour should now be
  4. a. 12  b. 10
    c. 15  d. 8
    
  5. The sum of the ages of A and his father is 63 years. Four years ago the father was four times as old as A. The present age of the father is
  6. a. 50 years  b. 45 years
    c. 44 years  d. 48 years
    
  7. The least number which must be added to 5322 multiplied by 5326 to make it a perfect square is
  8. a. 4   b. 9
    c. 1   d. 25
    
  9. The daily wages of two workers are in the ratio 5:6. One gets Rs.11 more than the other. The total wages earned by them together in one day, is
  10. a. Rs.120  b. Rs.121
    c. Rs.132  d. Rs.88
    
  11. A sum of Rs.625 is divided amongst 3 men, 5 women and 6 boys in such a way that each man receives 3 times as much as woman and each woman twice as much as a boy. The amount received by a woman is
  12. a. Rs.25  b. Rs.75
    c. Rs.50  d. Rs.60
    
  13. The average monthly salary of A, B and C is Rs.400, and that of B, C and D is Rs.500. The actual salary of D is
  14. a. Rs.575  b. Rs.475
    c. Rs.525  d. Rs.350
    
  15. Three persons A, B, C start a business, their capitals being in proportion 3:4:5. The amount of profit earned by C exceeds that earned by A by Rs.200. The total profit earned is
  16. a. Rs.600   b. Rs.800
    c. Rs.1000  d. Rs.1200
    
  17. There are articles of three types A, B, C. 5 articles of type A cost as much as 8 articles of type B and 30 articles of type B cost as much as 3 articles of type C. The number of articles of type C that can be exchanged for 50 articles of type A, is
  18. a. 6   b. 8
    c. 10  d. 5
    
  19. A bookseller sold 20 books for Rs.1750, thereby losing the cost price of 6 books. The percentage loss of the bookseller is
  20. a. 15%  b. 10%
    c. 20%  d. 30%
    
  21. In 12 liters of diluted acid, the volumes of water: acid=1:5, some liters of acid are added so as to change the ratio to 1:8. The number of liters of acid added, is
  22. a. 5   b. 6
    c. 4   d. 3
    
  23. The price of an article is reduced by 25%. Before reduction 12 articles could be purchased for Re.1. After reduction the number of articles that can be purchased for Re.1, is
  24. a. 14  b. 15
    c. 16  d. 18
    
  25. The time taken by a boat in going from A to B and back to A is 5 hrs.20 m. If AB is 10 km. and speed of the current is 1 km. per hour, the speed of the boat in still water in km. per hour is
  26. a. 3   b. 4
    c. 5   d. 6
    
  27. A number on being divided by 5 and 8 successively leaves remainders 3 and 7 respectively. The number on division by 40, leaves remainder
  28. a. 23  b. 26
    c. 38  d. 34
    
  29. A sum of money amounts to Rs.1920 in 5 years and to Rs.2208 in 7 years. The rate per cent of simple interest per annum is
  30. a. 9   b. 10
    c. 11  d. 12
    
  31. The least integral number exactly divisible by ½, ¾ and 5/6 is
  32. a. 15  b. 12
    c. 8   d. 6
    
  33. Of the numbers 3, 4, 8, 9, 11 the factors of 45276 are
  34. a. 3, 4, 9  b. 3, 4, 11
    c. 3, 4, 8  d. 3, 8, 11
    
  35. The least number which divides 8019 to make the result a perfect square, is
  36. a. 9   b. 6
    c. 13  d. 11
    
  37. The sum of two numbers is 2490: 6.5% of one number is equal to 8.5% of the other. The large number is
  38. a. 1411  b. 1412
    c. 1410  d. 1417
    
  39. The price of an article is increased by 30%. It will return to the original price by a reduction of
  40. a. 33.15%  b. 23.07%
    c. 26.08%  d. 30%
    

Answers:-
1(c), 2(b), 3(d), 4(a), 5(b), 6(c), 7(a), 8(d)
9(b), 10(d), 11(b), 12(c), 13(b), 14(c), 15(d), 16(a)
17(b), 18(d), 19(a), 20(b).

Friday, January 27, 2012

Math Set - 17

  1. A is three times more efficient than B. Some work is completed by B in 12 days. The same work can be completed, when they work together, in
  2. a. 3 days  b. 4 days
    c. 2 days  d. 3.5 days
    
  3. A is twice as old as B at present. 12 years ago he was six times as old. The present of A is
  4. a. 25 years  b. 30 years
    c. 24 years  d. 20 years
    
  5. A tap can fill a cistern in 12 minutes, but due to a leak at the bottom of the cistern, it takes 3 minutes more to be filled up. If the tap is closed, the full cistern can be emptied through the leak in
  6. a. 30 mins.  b. 40 mins
    c. 60 mins   d. 45 mins
    
  7. Rs.950 is divided amongst A, B, C. The shares of A and B are in the ratio of 2:3 and those of B and C in the ratio of 3: 5. B gets
  8. a. Rs.190  b. Rs.475
    c. Rs.285  d. Rs.150
    
  9. A reduction of Rs.20 in the sale price of an article changes a profit of 12.5% to loss of 12.5%. The cost price of the article is
  10. a. Rs.60  b. Rs.90
    c. Rs.80  d. Rs.72
    
  11. Telegraph posts are posted at equal distance to cover a distance of 1 km. The number of telegraph posts is 51. The distance between two consecutive posts, in meters, is equal to
  12. a. 19  b. 20
    c. 21  d. 19.5
    
  13. The weight of copper and zinc in two alloys are in the ratio 5:3 and 1:7 respectively. Equal weights of the two alloys are melted together to form a third alloy. The ratio of copper and zinc in the third alloy is
  14. a. 2:3  b. 3:2
    c. 3:5  d. 5:3
    
  15. In a certain year (not a leap-year), the first day of February was Monday. The first day of November of the same year was
  16. a. Monday    b. Tuesday
    c. Wednesday d. Sunday
    
  17. Rebate at the rate of 15% is allowed when electricity bills are paid in time. A rebate of Rs.97.50 was allowed on a bill. The amount of the bill was
  18. a. Rs.600  b. Rs.650
    c. Rs.750  d. Rs.660
    
  19. A number of workers in a factory receives Rs.13 per day, twice as many receives Rs.15 a day and thrice as many receives Rs.17 per day. The daily wage bill of the workers in the factory is Rs.1,410. The total number of workers in the factory is
  20. a. 60  b. 70
    c. 80  d. 90
    
  21. The sides of two squares are 13cm. and 5cm. respectively. The third square has its area equal to the difference of the areas of the two given squares. The length of the side of the third square is
  22. a. 12cm  b. 10cm
    c. 8cm   d. 6cm
    
  23. There are forty students in a class and the ratio of the number of boys to the number of girls in the class is 3:1. A number of girls is admitted into the class and the ratio of the number of boys to the number of girls changes to 3:2. The number of newly admitted girls is
  24. a. 5   b. 12
    c. 10  d. 15
    
  25. The price of an article A is 16% more than that of a second article B. The difference of the prices of the articles is Rs.48. The price of A and B together amount to
  26. a. Rs.348  b. Rs.300
    c. Rs.564  d. Rs.648
    
  27. A can do apiece of work in the same time in which B and C together can do it. The same work can be done by A and B together in 10 days and by C alone in 50 days. B can do the work in
  28. a. 20 days  b. 25days
    c. 30days   d. 18 days
    
  29. A man was able to decrease the consumption of sugar by 25% when the piece of sugar is increased by 40%. The percentage increase or decrease in expenses on sugar is
  30. a. increase 5%      b. decrease 5%
    c. increase 10%     d. decrease 10%
    
  31. The rate per cent per annum simple interest at which Rs.1200 amounts to Rs.1668 in six years, is
  32. a. 12%   b. 9%
    c. 6.5%  d. 7.5%
    
  33. After traveling a distance of 120 km. on the second day, a man finds that the distances covered by him in the first two days are as 5:6. The distances covered by him on the first and the third day are as 4:5. On the third day the man travels
  34. a. 100 km  b. 120 km
    c. 80 km   d. 125 km
    
  35. The time in which Rs.2000 invested at 5% simple interest per annum produces an income which is the same as that obtained by invest per annum for 5 years is
  36. a. 6 years  b. 8 years
    c. 5 years  d. 6.5 years
    
  37. A man invested ¼ of his savings in company A, 1/5 of it in company B and the remaining Rs.2750 in company C. The amount invested in company A was
  38. a. Rs.1000  b. Rs.1500
    c. Rs.1250  d. Rs.1200
    
  39. A sold an article to B at a profit of 20%, B sold the same article to C for Rs.75, thereby making a profit of 25%. A’s cost price of the article is
  40. a. Rs.40  b. Rs.45
    c. Rs.35  d. Rs.50
    

Answers:-
1(a), 2(b), 3(c), 4(c), 5(c), 6(b), 7(c), 8(a)
9(b), 10(d), 11(a), 12(c), 13(d), 14(b), 15(a), 16(c)
17(d), 18(a), 19(c), 20(d).

Tuesday, January 24, 2012

Math Set - 16

  1. A trade marks his goods 25% above cost price, but allows a discount of 8% to his customer. His profit per cent is
  2. a. 12.5  b. 15
    c. 12    d. 17
    
  3. A number is first increased by 10% and then decreased by 10%. The percentage change in the number is
  4. a. Nil  b. increased by 1%
    c. decreased by 1%
    d. increased by 1.5%
    
  5. A man spends in 4 months as much as he earns in 3 months. His annual savings is Rs.1,200. His annual earning is
  6. a. Rs.4800  b. Rs.4428
    c. Rs.4842  d. Rs.4284
    
  7. The least number which divides 7623 to make it a perfect square is
  8. a. 6   b. 7
    c. 9   d. 3
    
  9. Half the sum of two numbers is 20 and 3 times their difference is 18. The product of the two numbers is
  10. a. 391  b. 319
    c. 193  d. 360
    
  11. 855/1881 reduced to its lowest terms is
  12. a. 5/21  b. 11/12
    c. 5/12  d. 5/11
    
  13. The product and quotient of two numbers are 100 and 4 respectively. The sum of two numbers is
  14. a. 21  b. 25
    c. 20  d. 24
    
  15. The least number subtracted from 293 to make the result a perfect square, is
  16. a. 4   b. 1
    c. 3   d. 2
    
  17. A man paid 7.5% of his income in General Provident Fund and 13.5% to Insurance Premiums. For Insurance premiums he paid Rs.270. His total payment was
  18. a. Rs.400  b. Rs.420
    c. Rs.500  d. Rs.650
    
  19. One train travels 448 km. in 8 hours and a second train travels 504 km. in 12 hours. The ratio of their average speed in km. per hour is
  20. a. 3:4  b. 2:3
    c. 4:1  d. 4:3
    
  21. From a place a ship went 12 km. straight towards south and then moved 5 km. straight towards east. The distance of the ship now, as seen from the starting place, is
  22. a. 17 km.  b. 13 km.
    c. 7 km.   d. 10 km.
    
  23. The number of days constituting the first four months of the year 1900 A.D. was
  24. a. 119  b. 120
    c. 121  d. 122
    
  25. The number of prime numbers between 70 and 90 is
  26. a. 7   b. 6
    c. 5   d. 8
    
  27. The least integer added to 89 multiplied by 95 to make in a perfect square is
  28. a. 8   b. 9
    c. 6   d. 7
    
  29. Three numbers are in the ratio of 3:4:6 and their H.C.F. is 12. The L.C.M. of the three numbers is
  30. a. 72   b. 96
    c. 192  d. 144
    
  31. If the cost of fencing a square field at Rs.5.50 per meter is Rs.220, the cost of paving of the field at Rs.7 per square meter, is
  32. a. Rs.400  b. Rs.800
    c. Rs.700  d. Rs.640
    
  33. The smallest number which when divided by 20, 42 or 63 leaves a remainder 11 in each case is
  34. a. 1260  b. 1271
    c. 1270  d. 1259
    
  35. A container full of water weights 28 kg. When halfful it weights 18 kg. The weight of the container is
  36. a. 18 kg.  b. 20 kg.
    c. 8 kg.   d. 12 kg.
    
  37. 12% of the cattle of a village died in a flood and 5% of the remainder died subsequently of malnutrition. If 8,360 cattle survive, the number of cattle the village originally had, was
  38. a. 7500   b. 10,000
    c. 5,000  d. 12,000
    
  39. 82*081 is divided by 11. The * marked digit is
  40. a. 3   b. 5
    c. 2   d. 9
    

Answers:-
1(b), 2(c), 3(a), 4(b), 5(a), 6(d), 7(b), 8(a)
9(b), 10(d), 11(b), 12(b), 13(c), 14(b), 15(d),16(c)
17(b), 18(c), 19(b), 20(d).

Monday, December 26, 2011

Math Set - 15

  1. The sum of the squares of two numbers is 106 and the square root of one of them is 3. the cube of the other number is
  2. a. 27  b. 64
    c. 81  d. 125
    
  3. A, B and C go into business as partners and collect a profit of Rs.1000. If A’s capital : B’s capital= 2:3 and B’s capital : C’s capital=2:5, the share of profit which goes to B is
  4. a. Rs.160  b. Rs.240
    c. Rs.600  d. Rs.400
    
  5. A sum of money invested at 6% simple interest in the post office Savings Bank amounts to Rs.930 in 4 years. The time it will amount to Rs.1020 at the same rate is
  6. a. 9 years  b. 8 years
    c. 6 years  d. 7 years
    
  7. A man can do a piece of work in 4 days which a woman can do in 12 days. They jointly finished the work and got Rs.60 as remuneration. The amount received by the woman is
  8. a. Rs.15  b. Rs.5
    c. Rs.40  d. Rs.45
    
  9. The simple interest on a certain sum of money for four years at a certain rate of interest is 6/25th of the principal. The rate percent of simple interest charged is
  10. a. 14%  b. 15%
    c. 12%  d. 6%
    
  11. Out of 10 teachers in a school one teacher retired and a new teacher aged 25 years joined; thereby the average age of the teachers was reduced by 3 years. The age of the retired teacher is
  12. a. 60 years  b. 58 years
    c. 55 years  d. 56 years
    
  13. The area of a rectangular field, which is twice as long as it is broad, is 242 square meters. The perimeter of the field is
  14. a. 66 m.  b. 121 m.
    c. 22 m.  d. 132 m.
    
  15. A train takes 14 sec. to completely cross one station 200 meters long and 18 sec. to completely cross another station 280 meters long. The length of the train is
  16. a. 100m.   b. 80 m.
    c. 110 m.  d. 120 m.
    
  17. One man walks 165 kilometers in 6 days. If he walks 3.75 km in the same time which a second man takes to walk 4 km. the second man will walk in 15 days
  18. a. 400 km.  b. 440 km.
    c. 420 km.  d. 460 km.
    
  19. X travels at the rate of 30 km/hr and is 4 kms ahead of Y. Y overtakes X in 16 minutes’ time. Y travels at the rate of
  20. a. 15km/hr  b. 25 km/hr
    c. 40 km/hr d. 45 km/hr
    
  21. The answer to the problem “Find by what percent 15/16 exceeds 7/10” is
  22. a. 15%  b. 20%
    c. 25%  d. 25.33%
    
  23. The H.C.F. and L.C.M. of two numbers are respectively, 12 and 2448 and their difference is 60. The greater number is
  24. a. 204  b. 144
    c. 120  d. 145
    
  25. Given that x% is equal to the product of 1/7 and 0.25. The value of x is
  26. a. 125/7 b. 25/7
    c. 57/7  d. 0.175
    
  27. The cost of fencing required to enclose a square field is Rs.210, when the cost of fencing per meter is Rs.3.50. The cost of paving the same field at Rs.3 per sq. meter is
  28. a. Rs.210  b. Rs.420
    c. Rs.675  d. Rs.600
    
  29. A purse contains an equal number of rupees, half rupees and quarter rupees. If the total amount in the purse is Rs.85.75 the number of each coin is
  30. a. 45  b. 47
    c. 49  d. 51
    
  31. 15 men working 6 hr. a day can do a piece of work in 10 days. The number of men working 4.5 hrs. a day, required to do the same work in 10 days is
  32. a. 20  b. 15
    c. 9   d. 6
    
  33. The sum of the present ages of the father and his son is 100 years, and 5 years before their ages were in the ratio of 2:1. The present age of the son is
  34. a. 65 years  b. 35 years
    c. 7 years   d. 42 years
    
  35. A room is 15 meter long and the cost of carpeting it is Rs.810. If the breadth of the room were 2 meter less, the cost of the carpeting would have been Rs.675. The perimeter of the room is
  36. a. 50 m.  b. 45 m.
    c. 54 m.  d. 60 m.
    
  37. The least number of soldiers that can be arranged in 12, 15 or 18 equal rows and can also be arranged in a solid square is
  38. a. 144  b. 225
    c. 324  d. 900
    
  39. In an examination A and B secured 6/7 and 5/6 of the full marks. B secured 20 marks less than A. The marks secured by A were
  40. a. 680  b. 720
    c. 700  d. 710
    



Answers: 1(d), 2(b), 3(c), 4(a), 5(d), 6(c), 7(a), 8(b), 9(b), 10(d)
11(d), 12(a), 13(b), 14(c), 15(c), 16(a), 17(b), 18(c), 19(d), 20(b).     

Sunday, December 18, 2011

Math Set - 14

  1. A number on division by 85 gives the remained 48. If the same number is divided by 17, the remainder is
  2. a. 12  b. 14
    c. 16  d. 11
    
  3. A train of length 75 meters is running at a speed of 45 kms./hr. To pass a lamp post completely it takes
  4. a. 5 sec  b. 6 sec
    c. 8 sec  d. 12 sec
    
  5. A man can row a boat at 8 km/hr. in still water. He rows 1km. in 6 mins in the down-stream. To row 1 km. up the stream he would take
  6. a. 8 mins.  b. 10 mins
    c. 12 mins  d. 14 mins
    
  7. The least number to be added to 982 multiplied by 986 to make it a perfect square is
  8. a. 1   b. 2
    c. 4   d. 6
    
  9. The sum of the greatest and the least of 3/5, 4/7, 5/9 and 6/11 is
  10. a. 41/35  b. 52/45
    c. 86/77  d. 63/55
    
  11. If 9*8091 be divided by 11, then the missing digit will be
  12. a. 1   b. 2
    c. 3   d. None of these
    
  13. The least number of 2 digits which divides 216, 360 and 432 without any remainder is
  14. a. 72  b. 48
    c. 36  d. 12
    
  15. The number nearest to 999 exactly divisible by 12, 16 and 18 is
  16. a. 864  b. 996
    c. 1008  d. 1002
    
  17. In 1989 the total population of a village was 1200. The population increased by 10% in 1990 but decreased by 5% in 1991. The population at the end of 1991 was
  18. a. 1185  b. 1254
    c. 1464  d. 1980
    
  19. Three numbers are in the ratio 3:5:6. The sum of the first and the third is greater than the second by 16. The sum of the three numbers is
  20. a. 92  b. 60
    c. 58  d. 56
    
  21. The sum of six consecutive odd numbers is 180. The difference of the greatest and the least of the numbers is
  22. a. 6  b. 3
    c. 12  d. 10
    
  23. The greater of two numbers is five times the smaller and their sum is greater than their difference by 4. The product of two numbers is
  24. a. 20  b. 10
    c. 15  d. 5
    
  25. Two third of a certain number of beggars received 40 p. each and the rest 25 p. each. If the total sum spent is Rs.9.45, the number of beggars is
  26. a. 24  b. 36
    c. 27  d. 30
    
  27. A person who pays 5 paise in the rupee as tax, finds that a fall of simple interest from15 to 12 percent diminishes his net income by Rs.11.40. His capital is
  28. a. Rs.410  b. Rs.400
    c. Rs.976  d. Rs.380
    
  29. The first day of January, 1992 was Wednesday, the 23rd December 1992 will be
  30. a. Monday     b. Tuesday
    c. Thursday   d. Wednesday
    
  31. The least number that must be added to 617 so that the sum may be a perfect square, is
  32. a. 8   b. 12
    c. 4   d. 9
    
  33. An enhancement of the sale price of a pen by Rs.3 turns a loss of 7.55 into a gain of 7.5%. The sale price of the pen is
  34. a. Rs.22  b. Rs.20
    c. Rs.18  d. Rs.16
    
  35. A television and radio are together worth Rs.3600. If the price of radio is 4/5th of the television, the price of the radio is
  36. a. Rs.900  b. Rs.720
    c. Rs.2880  d. Rs.1600
    
  37. A car travels 100 meters in 9 secs, the rate in kilometers per hour is
  38. a. 45  b. 40
    c. 36  d. 60
    
  39. The square root of 48.3025 is
  40. a. 7.25  b. 6.75
    c. 6.05  d. 6.95
    



Answers: 1(b), 2(b), 3(b), 4(c), 5(d), 6(c), 7(d), 8(c), 9(b), 10(d)
11(d), 12(a), 13(c), 14(d), 15(d), 16(a), 17(b), 18(d), 19(b0, 20(d).

Thursday, December 8, 2011

Math Set - 13

  1. 3 men or 4 women or 5 boys can earn Rs.150 daily. 5 men with 8 women and 3 boys will earn per day
  2. a. Rs.620 b. Rs.640
    c. Rs.660 d. Rs.680
    
  3. A man spends in 4 months as much as he earns in 3 months. His annual saving is Rs.1206. His annual income is
  4. a. Rs.4824 b. Rs.4428
    c. Rs.8442 d. Rs.4284
    
  5. Two numbers are in the ratio 6:13. If their L.C.M. is 468 then their H.C.F. is
  6. a. 12  b. 8
    c. 6  d. 4
    
  7. 8 years ago, the father was 10 times as old as his son and 6 years hence he will be 3 times as old. The present age of the father is
  8. a. 48 years b. 50 years
    c. 56 years d. 60 years
    
  9. The least number of 4 digits which when divided by 12, 16 or 24 leaves a remainder 4 in each case, is
  10. a. 1008  b. 1012
    c. 1048  d. 1024
    
  11. The least number which divides 6534 to make the resulting number a perfect square is
  12. a. 7  b. 6
    c. 3  d. 2
    
  13. If 87.5% of a number be 56, then the number is
  14. a. 64  b. 70
    c. 72  d. 80
    
  15. The reduction of Rs.5 in the sale price of an article changes the profit of 5% to a loss of 5% on the cost price. The cost price of the article is
  16. a. Rs.60 b. Rs.50
    c. rs.45 d. rs.40
    
  17. A man sells an article at a loss of 10%. If he would get Rs.36 more, then he would have gained 12.5% on the cost price. The original sale price of the article is
  18. a. Rs.132 b. Rs.140
    c. Rs.144 d. Rs.150
    
  19. Four years ago the average age of the family consisting of the father, mother and the son was 28 years. A boy now joins the family, but there is no change in the average age. The age of the newcomer is
  20. a. 12 years b. 14 years
    c. 15 years d. 16 years
    
  21. The perimeter of a rectangular court-yard is 130 meters. The difference of the lengths of the two adjacent sides is 15 meters. The area of the plot (in sq. meters) is
  22. a. 800  b. 900
    c. 990  d. 1000
    
  23. To cover a distance a man first travels 3/8th of the whole journey by train, then20% of the remaining by bus. If he has still 6 kms.to go, the distance to be covered(in km.) is
  24. a. 16  b. 14
    c. 12  d. 10
    
  25. 12 men working 8 hours a day complete a work in 10 days; 10 men working 6 hrs. a day will complete the same work in
  26. a. 10 days b. 12 days
    c. 14 days d. 16 days
    
  27. A can do twice as much work as B in the same period. If they jointly can complete a particular work in 2 days, then B alone can complete the same in
  28. a. 6 days b. 8 days
    c. 10 days d. 12 days
    
  29. Two pipes can fill an empty cistern in 20 mins and 30 mins respectively. If they are opened simultaneously, then half of the empty cistern will be filled up in
  30. a. 10 mins b. 8 mins
    c. 6 mins d. 4 mins
    
  31. A man sold 14 articles for one rupee, thereby losing 4%. To gain 12% the number of articles to sold per rupee is
  32. a. 10  b. 11
    c. 12  d. 13
    
  33. A garrison has enough food for 40 days. After 10 days a batch of 200 men joined them and the remaining food lasted for 20 days only. The number of men originally in the garrison was
  34. a. 200  b. 250
    c. 300  d. 400
    
  35. The simple interest for 4 years is half that of the principle. At the same rate percent of simple interest in 2 years Rs.500 amounts to
  36. a. Rs.625 b. Rs.650
    c. Rs.660 d. Rs.675
    
  37. Rs.620 is divided amongst A, B and C in such a way that C gats half of what B gets and B gets Rs.20 less than what a gets, C gets
  38. a. Rs.120 b. Rs.125
    c. Rs.130 d. Rs.140
    
  39. If the radius of a circular plot land is increased by 20%, the circumference of the plot increased by
  40. a. 30%  b. 25%
    c. 20%  d. 15%
    



Answers: 1(b), 2(a), 3(c), 4(a), 5(b), 6(b), 7(a), 8(b), 9(c), 10(d)
11(d), 12(c), 13(d), 14(a), 15(c), 16(c), 17(d), 18(a), 19(a), 20(c).

Wednesday, November 30, 2011

Math Set - 12

  1. In an election contest, 80% of the total number of voters cast their votes and the winner wins by getting 65% of the number of votes cast. The percentage of votes received by the winner with respect to the total number of voters is
  2. a. 52  b. 53
    c. 54  d. 55
    
  3. A man makes a profit of 25% on cost price. This is represented on sale price as a gain of
  4. a. 22%   b. 20%
    c. 18.5% d. 16.3%
    
  5. In a certain year the production of articles in a factory increases from 5600 to 7560. The increase in percentage of production of articles is
  6. a. 40  b. 37.5
    c. 35  d. 32.5
    
  7. In a class there are 120 students. 60 of them pass in Bengali, 50 in English but 30 fail in both the subjects. The number of students who pass in both the subjects is
  8. a. 30  b. 25
    c. 20  d. 16
    
  9. Some 50 posts are placed in a straight line at equal intervals covering a distance of 245 meters. The distance between two consecutive posts (in meter) is
  10. a. 6    b. 5
    c. 4.9  d. 3
    
  11. Two alloys contain copper and zinc in the ratio of 8:3 and 15:7 respectively. If the two alloys are mixed in the proportion of 5:2, then the ratio of copper and zinc in the newly formed alloy is
  12. a. 3:2  b. 4:3
    c. 5:2  d. 5:3
    
  13. A milk-man buys pure milk at Rs.10 per liter. He mixes water in such a proportion that by selling the adulterated milk at Rs.8 per liter he gains 20% on his outlay. The ratio of pure milk to water is
  14. a. 3:2  b. 3:1
    c. 2:3  d. 2:1
    
  15. A boat covers a distance from A to B down the stream in 10 hrs. and from B to A in 20 hrs. If the speed of the boat in still water is 9 kms./hr, the distance between A and B in kms. Is
  16. a. 125  b. 120
    c. 115  d. 110
    
  17. The greatest number of 3 digits which when divided by 20 leaves remainder 18 and when by 24 leaves remainder 22. The number is
  18. a. 958  b. 960
    c. 962  d. 964
    
  19. A shopkeeper marked the sale price of his goods above 20% of the cost price. But at the time of selling he allows a commission of 12.55 to his customers. By this, the percentage of his gain stands at
  20. a. 8.2  b. 6.4
    c. 5.3  d. 5
    
  21. A man makes a profit of 25% by selling 16 articles for Re.1. The numbers of articles he purchased for Re. 1 is
  22. a.10  b. 20
    c.12  d. 25
    
  23. The ratio of ages of A and B is 5:9. One of them is older than the other by 24 years. The sum of the ages of A and B is
  24. a. 76 years  b. 80 years
    c. 84 years  d. 88 years
    
  25. The monthly salaries of A and B are in the ratio 3:5. If A receives an increment of 10% and B 5%, the ratio of monthly salaries of A and 5 changes to
  26. a. 22:35  b. 20:31
    c. 18:25  d. 16:21
    
  27. Wheat is bought at Rs.400 per quintal and sold at Rs.4.50 per kg. The profit percent is
  28. a. 18.3%  b. 16.2%
    c. 12.5%  d. 8% 
    
  29. In a class there are 100 students. In an examination 70 % of them pass in Bengali and 60% pass in English. The maximum number of students who fail in both the subjects is
  30. a. 20  b. 24
    c. 26  d. 30
    
  31. The daily income of A, B and C are as 2:5:8 A gets Rs.36 less than what C gets. The total daily income of the 3 persons is
  32. a. Rs.100  b. Rs.90
    c. Rs.80  d. Rs.60
    
  33. A man buys a table and a chair for Rs.700. He sells the table at a profit of 20% and the chair at a loss of 10%. He still gains Rs.80. The cost price of the table is
  34. a. Rs.200  b. Rs.300
    c. Rs.500  d. Rs.400
    
  35. The difference of two integers is 2134; one of them is twice the other. The smallest one is
  36. a. 1234  b. 1324
    c. 1423  d. 2134
    
  37. A man wishes to distribute 90 fruits amongst 35 children. If each girl receives 3 fruits and each boy 2 fruits, the total number of boys is
  38. a. 16  b. 15
    c. 14  d. 12
    
  39. The product of two numbers is 936. Their ratio is 13:18. The greater one is
  40. a. 42  b. 36
    c. 34  d. 37
    



Answers: 1(a), 2(b), 3(c), 4(c), 5(b), 6(c), 7(d), 8(b), 9(a), 10(d)
11(b), 12(c), 13(a), 14(c), 15(d), 16(b), 17(c), 18(d), 19(b), 20(b).

Saturday, November 19, 2011

Math Set - 11

  1. The reduction of 12.5% in the price of an article enables a man to purchase 5 more for a rupee. The number of articles that can be purchased at the reduced price(per rupee) is
  2. a. 40  b. 30
    c. 48  d. 45
    
  3. The simplified value of 0.0011-[0.011-{0.01-(0.1-0.2)}] is
  4. a. 0.110   b. 0.1001
    c. 0.1011  d. 0.0011
    
  5. The price of 8 pens and 6 pencils is Rs.49 and that of 6 pens and 8 pencils is Rs.42. The price of each pencil is
  6. a. Rs.5    b. Rs.3
    c. Rs.1.50 d. Rs.1
    
  7. A car travels at the rate of 40 km. per hour. In 9 seconds the car travels
  8. a. 100 meters b. 150 meters
    c. 75 meters  d. 120 meters
    
  9. The square root of 11.1111 is
  10. a. 1.1  b. 1.1111
    c. 3.3  d. 3.3333
    
  11. The maximum length of a rod that can be placed in a card board box whose inside measurement is 4 cms. breadth, 5 cm height and 20 cm length, is
  12. a. 21 cm.  b. 21.2 cm.
    c. 22 cm.  d. 22.5 cm.
    
  13. A sum of money is deposited in a Bank at a fixed rate of interest (simple). If after two years it amounts to Rs.620 and after 4 years to Rs.740, the rate percent per annum of interest is
  14. a. 10  b. 12
    c. 14  d. 16
    
  15. Three partners X, Y and Z contribute Rs.5000, Rs.6000 and Rs.7000 respectively to start a business. They agree to share the profits in proportion to their capitals. At the end of a year if Z gets Rs.1421 as his share of profit, then Y gets
  16. a. Rs.1218  b. Rs.2436
    c. Rs.1624  d. Rs.1842
    
  17. A man can do double the amount of work that a boy can do in a given period of time. If 4 men and 8 boys can complete a work in 6 days, the same work can be completed by 2 men with 8 boys in
  18. a. 8 days   b. 9 days
    c. 10 days  d. 12 days
    
  19. A leaky cistern contains water just sufficient to last for 30 days, it 35 liters are taken out daily. It lasts for 40 days if 25 liters are taken out daily. When full the volume of water in the cistern (in liters) is
  20. a. 1000  b. 1100
    c. 1200  d. 14000
    
  21. Rs.600 is invested for some years at a certain rate percent per annum simple interest. If after the fixed period, the interest becomes ¼th of the total amount, the interest will be
  22. a. Rs.240  b. Rs.200
    c. Rs.180  d. Rs.160
    
  23. In two successive years 56 and 64 students of a school appeared at the final examination. 75% and 87.5% passed. The average rate percent of pass is
  24. a. 78%  b. 80%
    c. 83%  d. 81.66%
    
  25. A circle is inscribed in a square whose side is 21 cm. The area of the circle is (in sq.cms.)
  26. a. 342.5  b. 344.5
    c. 346.5  d. 348.5
    
  27. A man standing on a railway platform observes that a moving train takes 5 secs to cross him and 16 secs to cross the platform completely. If the speed of the train be 54 km./hr., the length of the platform is
  28. a. 150 m.  b. 165 m.
    c. 176 m.  d. 187 m.
    
  29. A man goes from A to B at a speed of 6km/hr. His average speed (in km.) is
  30. a. 7   b. 7.5
    c. 8   d. 10
    
  31. A merchant buys tea at Rs.70 and Rs.80 per kg. and mixes them in the proportion of 3:2. He gains 25% on cost; he sells the blended tea per kg. at
  32. a. Rs.74  b. Rs.80.50
    c. Rs.85  d. Rs.92.50
    
  33. A contractor employs 20 men to complete a job in 10 days but in 6 days the job is half finished. If it is to be completed in the fixed time, the number of additional men to be employed is
  34. a. 6   b. 8
    c. 9   d. 10
    
  35. The number of prime numbers between 60 and 90 is
  36. a. 6   b. 7
    c. 8   d. 9
    
  37. A garrison of 500 men has enough food for 40 days. After some days 300 men went away and the remaining food lasted for 50 days. The days after which the men left the garrison is
  38. a. 20  b. 22
    c. 24  d. 25
    
  39. A man sells an article at a loss of 20%. This loss is represented on sale price as a loss of
  40. a. 33%  b. 25%
    c. 18%  d. 16%
    



Answers: 1(a), 2(b), 3(c), 4(a), 5(d), 6(a), 7(b), 8(a), 9(a), 10(c)
11(b), 12(d), 13(c), 14(b), 15(b), 16(d), 17(d), 18(b), 19(a), 20(b).

Tuesday, November 8, 2011

Math Set - 10

  1. A box contains 378 coins in rupee, fifty paise and twenty-five paise coins, the ratio of their rupee values being 13:11:7. The number of 50 paise coins is
  2. a. 42  b. 78
    c. 66  d. 132
    
  3. A sum of money doubles itself in 20 years. The sum of money that amounts to Rs.540 in 4 years at the same rate of simple interest is
  4. a. Rs.400  b. Rs.550
    c. Rs.650  d. Rs.450
    
  5. A tradesman makes his goods at 25% above the cost price. If he allows his customers a deduction of 10% in the bill, the percentage of profit he makes is
  6. a. 15%  b. 10%
    c. 20%  d. 12.5%
    
  7. If 12 men can do a piece of work in 30 days at 9 hours a day; the number of men that will be required to do the work, if they work for 24 days at 5 hours a day, is
  8. a. 21  b. 30
    c. 27  d. 35
    
  9. If A:B=3:4; B:C=6:5, then A:C will be
  10. a. 3:5  b. 4:5
    c. 9:10  d. 4:9
    
  11. A clock losses 6.5 sec. per hour when the room is hot, but gains 3.9 sec. per hour when the room is cold. The clock keeps correct time in 24 hours. In 24 hours the room is hot for
  12. a. 6 hrs.  b. 8 hrs.
    c. 18 hrs  d. 9 hrs
    
  13. The perimeters of two square fields are 48 meters and 20 meters respectively. The perimeter of a third square which is equal in area to the sum of the areas of these two squares is
  14. a. 68 m.  b. 34 m.
    c. 44 m.  d. 52 m.
    
  15. The percentage by which 120 is to be diminished to get 30 is
  16. a. 30%  b. 25%
    c. 20%  d. 33%
    
  17. A train leaves one station at 6-45 pm and reached a second station 150 km away at 10-30 pm. The speed of the train in km. per hour is
  18. a. 20 km./hr b. 30 km./hr
    c. 40 km./hr d. 45 km./hr
    
  19. A can row one kilometer in 6 minutes down the river and 6 km in 1 hour up the river. The speed of the current is
  20. a. 2.5 km/hr b. 2 km./hr
    c. 4 km./hr d. 3 km./hr
    
  21. 90% of A’s income is Rs.342. If B earns Rs.456 at the same time, B’s income is more than that of A by
  22. a. 10%  b. 15%
    c. 20%  d. 25%
    
  23. A certain number is divided into two parts such that18 times the first part added to 5 times the second equals 8 times the whole. The ratio of the parts is
  24. a. 18:5  b. 5:18
    c. 5:8  d. 3:10
    
  25. The sum of two numbers is 45 and their difference is 1/9 of their sum. Their L.C.M. is
  26. a. 200  b. 250
    c. 100  d. 150
    
  27. The least number which when divided by 24 and 36 leaves the remainder 17 and 29 respectively, is
  28. a. 48  b. 72
    c. 79  d. 65
    
  29. The population of a place is 1200. In a year the births are 1 in 20 and the deaths 1 in 25. The population after one year will be
  30. a. 1212  b. 1224
    c. 1204  d. 1240
    
  31. The sum of seven consecutive even integers is 140; the greatest even integer is
  32. a. 22  b. 24
    c. 26  d. 28
    
  33. The product of two numbers is 20.The sum of the two numbers is greater than their difference by 4. The ratio of the greater to the smaller number is
  34. a. 5:1  b. 3:2
    c. 4:3  d. 7:2
    
  35. The equal sums are invested at simple interest at the rate of 10% p.a. and 125 p.a. for 3 years. If at the end of the period the total interest amounts to Rs.363, the total sum invested is
  36. a. Rs.550  b. Rs.600
    c. Rs.1100  d. 1200
    
  37. The number of days in the first five months of the year 1916 A.D. was
  38. a. 150  b. 151
    c. 152  d. 148
    
  39. The least number added to 804 to make it a perfect square is
  40. a. 37  b. 96
    c. 67  d. 49
    



Answers: 1(d), 2(d), 3(d), 4(c), 5(c), 6(a), 7(d), 8(b), 9(c), 10(b)
11(c), 12(d), 13(c), 14(d), 15(a), 16(c), 17(a), 18(c), 19(c), 20(a).

Sunday, October 30, 2011

Math Set - 9

  1. Rs.310 were divided amongst 100 children ; each boy received Rs.2.50 and each girl Rs.4. The number of girls was
  2. a. 40  b. 50
    c. 45  d. 60
    
  3. The product of two numbers is 5436 and half of one of them is 302. The other number is
  4. a. 9   b. 7
    c. 8   d. 11
    
  5. 5 chairs and 2 tables cost Rs.1080; the cost of 2 chairs is equal to that of 1 table. The cost of 1 chair and 1 table is
  6. a. Rs.360  b. Rs.290
    c. Rs.350  d. Rs.475
    
  7. A man spends in 4 months as much as he earns is 3 months. The annual savings out of an annual income of Rs.4824 is
  8. a. Rs.1206  b. Rs.1528
    c. Rs.1600  d. Rs.840
    
  9. Two numbers are in the ratio 5:7 and their H.C.F is 12. The L.C.M of the number is
  10. a. 420  b. 60
    c. 84  d. 140
    
  11. The present ages of the father and the son are together 60 years. 6 years ago the father was 5 times as old as the son. The age of the son after 6 years will be
  12. a. 20 years  b. 16 years
    c. 18 years  d. 24 years
    
  13. A number lies between 1000 and 1500. The number is exactly divisible by 36 and 102.The number is
  14. a. 1336  b. 1224
    c. 1024  d. 1152
    
  15. The smallest integer by which 1183 is to be divided to make it a perfect square is
  16. a. 2   b. 3
    c. 5   d. 7
    
  17. The difference between ¾ of Rs.100 and ¾% of Rs.100 is
  18. a. Rs.75 b. Rs.25
    c. Rs.74.25 d. Rs.75.40
    
  19. A reduction of 10% in the price of tea enables one to purchase 1 kg. tea more for Rs.720. The original price of tea per kg. is
  20. a. Rs.72  b. Rs.80
    c. Rs.90  d. Rs.88
    
  21. A sold one article to B and lost 20%, B sold it to C and gained 20%. If A sold the article for the price C paid, he would have
  22. a. Gained 4% b. Lost 4%
    c. Gained 5% d. Lost 5%
    
  23. The average of 10 number is 6.5, the average of the first six is 4.5 and that of the last five is 9. The sixth number is
  24. a. 10  b. 9
    c. 8     d. 7
    
  25. The length of a rectangular lawn is twice its breadth. The cost of leveling it @ Rs.2.50 per square meter is Rs.500. the cost of enclosing it with a fence of iron railings @ Rs.12 per meter is
  26. a. Rs.1500  b. Rs.1000
    c. Rs.800  d. Rs.720
    
  27. A train travels from Howrah to Burdwan at the rate of 45 Km per hour and returns at the rate of 36 km. per hour. The average rate of running of the train for the whole journey was
  28. a. 35 km./hr b. 50 km/hr
    c. 55 km/hr d. 40 km/hr
    
  29. A sum of Rs.1400 was divided amongst A, B and C, so that ½ of A’s share =1/5 of B’s share=1/3 of C’s share. The money received by c is
  30. a. Rs.420  b. Rs.280
    c. Rs.700  d. Rs.980
    
  31. Two trains, 60 meter and 90 meter long, run at the rates of 48 km. and 60 km. per hour respectively on parallel rails in opposite directions. Time required by a person sitting in the first train to cross the other train is
  32. a. 3 sec.  b. 2 sec.
    c. 4 sec.  d. 2.5 sec.
    
  33. A quantity of rice suffices a family for 30 days it 5 kg. of rice are given away to charity every day; but only 25 days it 8 kg. of rice are given in charity daily. The total quantity of rice the family had in store was
  34. a. 150 kg.  b. 200 kg.
    c. 450 kg.  d. 400 kg.
    
  35. A can do a piece of work in 9 days and B in 18 days. They begin together but A goes away 3 days before the work is completed. The time in which the work was finished is
  36. a. 17 days  b. 21 days
    c. 5 days  d. 8 days
    
  37. 40 men can do a piece of work in a certain number of days. If only 30 men were employed to do the same work, it would require 6 days more. The time in which 60 men can do the work is
  38. a. 16 days  b. 20 days
    c. 24 days  d. 12 days
    
  39. . Two pipes can fill a cistern in 25 and 30 minutes respectively. Both the pipes are opened together, the time when the first pipe must be turned off so that the cistern may be filled in 15 minutes is
  40. a. 10 mins.  b. 12 mins.
    c. 15 mins.  d. 12min 30sec
    



Answers: 1(a), 2(a), 3(a), 4(a), 5(a), 6(a), 7(b), 8(d), 9(c), 10(b)
11(b), 12(d), 13(d), 14(d), 15(a), 16(a), 17(c), 18(d), 19(d), 20(d).

Thursday, October 20, 2011

Math Set - 8

  1. If a=9/20, b=11/15, c=3/4 then the correct inequality is
  2. a. c>b>a  b. c>a>b
    c. b>c>a  d. a>b>c
    
  3. After losing 22.5% of his income a man has Rs.1860 left. His income is
  4. a. Rs.2100  b. Rs.2250
    c. Rs.2300  d. Rs.2400
    
  5. The average age of 12 men is 34 years. In order that the average age of 13 men is 36 years, the age of the thirteenth man will be
  6. a. 52  b. 54
    c. 56  d. 60
    
  7. ¼ when expressed as a percentage of 25/9 becomes
  8. a. 7%  b. 9%
    c. 11%  d. 13%
    
  9. The smallest number which may be added to the number 8691 so as to make it a perfect square is
  10. a. 42  b. 140  
    c. 145  d. 84
    
  11. The smallest integer by which 1575 must be divided to make the quotient a perfect square is
  12. a. 3   b. 5
    c. 7   d. 8
    
  13. By selling goods for Rs.364, I lose 9 percent. To gain 10 percent I should sell it at
  14. a. Rs.400  b. Rs.420
    c. Rs.440  d. Rs.450
    
  15. The fourth proportional of 3, 4, 9 is
  16. a. 8    b. 12
    c. 16    d. 18
    
  17. The number nearest to 100000 and divisible by 2, 3, 4, 5, 6, 7 is
  18. a. 99930  b. 99960
    c. 99976  d. 99996
    
  19. The present age of the father is three times that of his son, 8 years hence the ratio of their ages will be 11:5. The present age of the son is
  20. a. 8 years  b. 12 years
    c. 15 years  d. 16 years
    
  21. A man sells an article at a profit of 20 percent on sales. If the cost price be Rs.960 its selling price is
  22. a. Rs.1000  b. Rs.1100
    c. Rs.1350  d. Rs.1200
    
  23. A mixture is formed by taking 2 kg. of a powder at Rs.2 per kg., 6 kg. at Rs.3 per kg. and 8 kg. at Rs.4 per kg. The price per kg. of the mixture is
  24. a. Rs.3.37  b. Rs.3
    c. Rs.3.50  d. Rs.4
    
  25. 0.005123 when multiplied by 5.38 is
  26. a. 0.02756174 b. 0.2756174
    c. 2.756174 d. 27.56174
    
  27. 7.5 % of Rs.4600 is
  28. a. Rs.342  b. Rs.345
    c. Rs.347  d. Rs.349
    
  29. A meter-measure is 1 cm. too short. The true length of cloth which apparently measures Y meters is
  30. a. Y m.1 cm. b. Y.Y m.
    c. Ym. Ycm. D. None of these
    
  31. 5 men and 3 boys can plough 65 acres in 15 days. The number of days in which 8 men and 5 boys will plaugh 280 acres, one man being able to do twice as much as a boy is
  32. a. 30  b. 40
    c. 35  d. 25
    
  33. A merchant buys plots at such a price that by selling it at Rs.4.50 per meter he will gain 12.5% on his outlay. His cost per meter is
  34. a. Rs.4  b. Rs.3.5
    c. Rs.3  d. Rs.4.10
    
  35. 8897/10619 when reduced to lowest term is
  36. a. 33/39  b. 141/147
    c. 31/37  d. 1/17
    
  37. By selling a picture for Rs.55.20, I lose 8 per cent. The buying price of the picture was
  38. a. Rs.60  b. Rs.64
    c. Rs.68  d. Rs.72
    
  39. The number which multiplied by 37 gives the same product as 296 multiplied by 309, is
  40. a. 2072  b. 2272
    c. 2472  d. 2572
    



Answers: 1(a), 2(d), 3(d), 4(b), 5(c), 6(c), 7(c), 8(b), 9(b), 10(b)
11(d), 12(a), 13(a), 14(b), 15(d), 16(b), 17(a), 18(c), 19(a), 20(c).

Tuesday, October 11, 2011

Math Set - 7

  1. The length of the square, the area of which is equal to the area of a rectangle of sides 49.28 and 27.72 meters is
  2. a. 36.16 m.  b. 36.56 m.
    c. 36.76 m.  d. 36.96 m.
    
  3. The value of square root of 341.1409 is
  4. a. 18.43  b. 18.47
    c. 18.63  d. 18.67
    
  5. The sum of money that will amount to Rs.2400 at the rate of 8% simple interest per year in 2.5 years is
  6. a. Rs.1500  b. Rs.1800
    c. Rs.2000  d. Rs.2100
    
  7. For an increase of income tax of 3 paisa per rupee the income of a man is reduced by Rs.150. His total income is
  8. a. Rs.4800  b. Rs.4900
    c. Rs.5000  d. Rs.5200
    
  9. When a company decreased the price of its scooters by 30%, the sales of scooters increased by 30%. The net effect on total sale is
  10. a. 6% decreased
    b. 3% increased
    c. 6% increased
    d. 9% decreased
    
  11. A bag contains 8 red , 5 white balls, 2 balls are drawn at random. What is the probability that both are white?
  12. a. 2/16  b. 2/89
    c. 2/110 d. 5/39
    
  13. The breadth of a rectangular field is 75% of its length. If the perimeter of the field is 1,050 meters, the area of the field is
  14. a. 65,000 sq.m.
    b. 62,000 sq.m.
    c. 67,000 sq.m.
    d. 68,500 sq.m.
    
  15. A sum of money is to be divided among A, B and C in the ratio of 3:7:6. If the difference in the shares of A and B is Rs.2,700. What is the share of C?
  16. a. Rs.4050  b. Rs.4000
    c. Rs.4100  d. Rs.4500
    
  17. Dinesh and Ram can independently complete a piece of work in 80 and 120 minutes respectively. If they work together, how much time will they take to complete the work?
  18. a. 24 minutes b. 100 minutes
    c. 48 minutes d. 200 minutes
    
  19. were employed to finish a job in 20 days but the men drop off by 5 at every 10th day. In what time the work will be complete?
  20. a. 27 years  b. 23.33 days
    c. 28 days  d. 26 days
    
  21. If x men can do a piece of work in 8 says and x+4 men can do the same work in 6 days then x is equal to
  22. a. 10  b. 6
    c. 12  d. 24
    
  23. By selling 12 oranges for a rupee, a man lose 20%. How many for a rupee should he sale to gain 20%.
  24. a. 15  b. 10
    c. 8  d. 5
    
  25. If 3 men and 5 women can do a piece of work in 8 days and 2 men and 7 children can do the same piece of work in 12 days, how many women can do as much work in a day as 21 children?
  26. a. 10  b. 15
    c. 12  d. 7
    
  27. If the area of the adjacent faces of a rectangular block are in the ratio of 2:3:4 and its volume is 900 cm.cb. Then the length of the shortest side is
  28. a. 30 cm.  b. 20 cm.
    c. 15 cm.  d. 10 cm.
    
  29. If 5 men and 3 children can reap 23 acres of field in 4 days and 3 men and 2 children can reap 7 acres in 2 days, how many children must assist 7 men in order that they may reap 45 acres in 6 days?
  30. a. 2   b. 3
    c. 4   d. 5
    
  31. If each edge of a cube is increased by 50%, the percentage increased in the surface area is
  32. a. 50%  b. 75%
    c. 100%  d. 125%
    
  33. The length of canvas1.1 m. wide required to build a conical tent of height 14m. and the floor area of 346.5 sq.m. is
  34. a. 65 m.  b. 525 m.
    c.  490 m.  d. 860 m.
    
  35. A man takes 5 hours 45 minutes in walking to certain place and riding back on a scooter. He would have gained 2 hour by riding on a scooter both ways. The time he would take to walk both ways is
  36. a. 7 hrs.45 mins
    b. 8 hrs. 25 mins.
    c. 8 hrs.30 mins.
    d. 6 hrs.30 mins.
    
  37. If 20 men complete one third of a work in 20 days, how many more men should be employed to finish the rest of the work in 25 days?
  38. a. 10  b. 12
    c. 15  d. 20
    
  39. A bag contains 5 blue and 4 black balls. Three balls are drawn at random. What is the probability that 2 are blue and 1 is black?
  40. a. 10/21 b. 2/5
    c. 1/6  d. 1/8
    



Answers: 1(d), 2(b), 3(c), 4(c), 5(d), 6(d), 7(c), 8(a), 9(c), 10(b)
11(c), 12(c), 13(a), 14(c), 15(a), 16(d), 17(b), 18(a), 19(b), 20(c). 

Thursday, September 29, 2011

Math Set - 6

  1. 6 mangoes are bought for Rs.5 and 5 mangoes are sold at Rs.6. The profit is
  2. a. 40%  b. 44%
    c. 48%  d. 51%
    
  3. 4 percent is gained by selling an article for Rs.3.12. To gain 8 percent the article must be sold at
  4. a. Rs.3         b. Rs.3.10
    c. Rs.3.20 d. Rs.3.24
    
  5. The principle that will amount to Rs.411.25 at simple interest at 5% for 3.5 years is
  6. a. Rs.400  b. Rs.300
    c. Rs.350  d. Rs.250
    
  7. If x increased by 25% of itself, the result is diminished by 20% of itself and the final value is 300. The value of x is
  8. a. 300  b. 250
    c. 200  d. 350
    
  9. An article is sold at a loss of 7.5% and yields Rs.6 less than if sold at a profit of 12.5%. The cost price of the article is
  10. a. Rs.20  b. Rs.30
    c. Rs.40  d. Rs.150
    
  11. The time that 15 men will take to plough 33 acres, if 6 men take 10 days to plough 12 acres of land, is
  12. a. 15 days  b. 12 days
    c. 11 days  d. 10 days
    
  13. A peon has a salary of Rs.1000 per month and a carpenter earns Rs.30 per day, but he is idle for 65 days in the year. The ratio of their income is(take 1 year=365 days)
  14. a. 4:5  b. 5:6
    c. 4:3  d. None of these
    
  15. The price of a horse is 45% more than that of a cow. The total price of both is Rs.1225. The price of cow is
  16. a. Rs.450  b. Rs.500
    c. Rs.560  d. Rs.700
    
  17. If 42 out of 60 students pass, the percentage of pass is
  18. a. 60  b. 70
    c. 72  d. 80
    
  19. The largest number by which 63, 87 and 123 will be divided to leave the same remainder is
  20. a. 8  b. 12
    c. 16  d. 18
    
  21. The number of square meters in one are is
  22. a. 10  b. 100
    c. 1000  d. 10000
    
  23. A number changed to 69 on being increased by 15% the number is
  24. a. 45  b. 50
    c. 60  d. 64
    
  25. The number of prices each 3.4 cm. long that can be cut from a length of 4.3 meters of a wire is
  26. a. 125  b. 210
    c. 126  d. 100
    
  27. The average daily salary per head of all the workers including the officer is Rs.60 and that of 16 officers is Rs.300. The average daily salary per head of the rest is Rs.55. The total number of workers including the officers is
  28. a. 1000  b. 850
    c. 750  d. 784
    
  29. A dealer makes 20% profit on his cost and the retailer 20% on his sales. The amount of percentage the consumer pays above the manufacturer’s price is
  30. a. 20%  b. 30%
    c. 40%  d. 50%
    
  31. 55 persons can complete a work in 9 hours. The number of extra men that should be employed to finish it in 5.5 hours is
  32. a. 45  b. 42
    c. 90  d. 35
    
  33. A book contains 800 pages of 45 lines each. The number of lines per page it must be made up if, it is to be completed in 900 pages is
  34. a. 40  b. 50
    c. 35  d. 55
    
  35. An amount doubles itself in 20 years. The time which it will triple itself is
  36. a. 50 years  b. 35 years
    c. 40 years  d. 45 years
    
  37. The largest number of 5 digits which is perfect square is
  38. a. 99814  b. 99826
    c. 99856  d. 99975
    
  39. A man buys chocolates at Rs.50 per ten. He sales them at Rs.72 per dozen. His gain percent is
  40. a. 6  b. 5
    c. 20  d. 15
    



Answer: 1(b), 2(d), 3(c), 4(a), 5(b), 6(c), 7(c), 8(b), 9(b), 10(b)
11(b), 12(c), 13(c), 14(d), 15(d), 16(d), 17(a), 18(c), 19(c), 20(c).

Thursday, September 22, 2011

Math Set - 5

  1. The square number between 1000 and 2000 which is divisible by 13 is
  2. a. 1495  b. 1508
    c. 1521  d. 1534
    
  3. The smallest number of six digits which is a perfect square is
  4. a. 100472  b. 100489
    c. 100526  d. 100548
    
  5. 7.5 % of Rs.2500 is
  6. a. Rs.180  b. Rs.185
    c. Rs.190  d. None of these
    
  7. In a race of 1500 meters A and B by 50 meters and C by 79 meters. In 1000 meters race (assuming the rates of running being the same as in the previous race) B beats C by
  8. a. 10 m  b. 12 m
    c. 16 m  d. 20 m
    
  9. A man makes a profit of 20% on sales. The percentage of profit on cost becomes
  10. a. 20  b. 30
    c. 25  d. 22.5
    
  11. Square of 197 is equal to 38809; square of 198 is equal to
  12. a. 39184  b. 39194
    c. 39204  d. 39214
    
  13. 62.7525 when divided by 2.25 is
  14. a. 2.789  b. 27.89
    c. 0.2789  d. 278.9
    
  15. A man traveled 3/7 of the total distance by boat and 2/5 by train. The remaining 18 km. he walked. The total distance he traveled is
  16. a. 80 km.  b. 96 km.
    c. 100 km.  d. 105 km.
    
  17. 2 men and 5 boys can do half of a piece of work in 5 days and 3 men and 4 boys can do 1/3 of it in 3 days. The number of days that 9 men will take to do it is
  18. a. 9 days  b. 7 days
    c. 5 days  d. 8 days
    
  19. If 2500 men have provisions for 150 days, and if after 15 days 1000 men go away then the remaining provisions will serve, the number left for
  20. a. 81 days  b. 225 days
    c. 135 days d. 200 days
    
  21. The number of days old that a person would be on 31 December, 1910 who was born on 24th January, 1892 is
  22. a. 6915  b. 6916
    c. 6917  d. 6918
    
  23. The number of square meters in a square kilometers is
  24. a. 1000  b. 10000
    c. 100000 d. 1000000
    
  25. 0.56 of a right angle when expressed in degrees, becomes
  26. a. 48.6  b. 50.4
    c. 52.2  d. 54.6
    
  27. Rs.2520 is divided into two parts one of which is 10/11 of the other. The smaller part is
  28. a. Rs.1200  b. Rs.1320
    c. Rs.2000  d. Rs.1500
    
  29. In order that 5416*6 will be a perfect square, the missing digit will be
  30. a. 3   b. 5
    c. 7   d. 9
    
  31. The time in which Rs.1500 amounts to Rs.1770 at 9% simple interest per annum is
  32. a. 1.5 years b. 2 years
    c. 2.5 years d. 3 years
    
  33. The time taken by a train 135 meter long moving @ 57 km. per hour to pass over a platform of length 245 meter is
  34. a. 20 sec  b. 24 sec
    c. 28 sec  d. 30 sec
    
  35. An amount Rs.8100 is left after paying income tax @ 10%. The amount that will be left after paying income tax @ 15% is
  36. a. Rs.7640  b. Rs.7680
    c. Rs.8000  d. None of these
    
  37. A mixture of 200 liters of milk and water contains 12.5 % of water. The quantity of water that should be mixed so that the mixture will contain 37.5% water, is
  38. a. 60 liters  b. 75 liters
    c. 80 liters  d. None of these
    
  39. A man paid 18% of his income in insurance and 11% in rent. His insurance payment was Rs.360. His payment for rent was
  40. a. Rs.220  b. Rs.200
    c. Rs.180  d. Rs.160
    



Answer: 1(c), 2(b), 3(d), 4(d), 5(c), 6(c), 7(b), 8(d), 9(c), 10(b)
11(b), 12(d), 13(b), 14(a), 15(d), 16(b), 17(b), 18(d), 19(c), 20(a).