Math Set - 24

1. 15% of ? = 94.5

a. 630   b. 141
c. 1410  d. 150

2. 999 ÷ 9 ÷ 3 = ?

a. 33 b. 35
c. 37 d. 41

3. 15⁹ x 15⁸ = 15^?

a. 72 b. 17
c. 1  d. 24

4. If 36a + 36b = 288, what is the average of a & b?

a. 2 b. 4
c. 8 d. 12

5. Find the average of the following set of scores: 345, 231, 777, 560, 892, 443, 556

a. 542  b. 550
c. 560  d. 562

6. 63% of a number is 2583. What is 45% of that number?

a. 1763  b. 1927
c. 1845  d. 2312

7. A car covers a distance of 728 kms in 13 hours. What is the speed of the car?

a. 46 km/hr  b. 48 km/hr
c. 52 km/hr  d. 56 km/hr

8. What is the least number to be added to 3986 to make it a perfect squre?

a. 95   b. 100
c. 110  d. 118

9. Mohit & Sumit are 35 & 40 years respectively. After how many years would the ratio of their ages become 9:10?

a. 5 yrs  b. 10 yrs
c. 12 yrs d. 15 yrs

10. 15 women can complete a work in 4 days. In how many days will 20 women complete the work

a. 3 days    b. 2 days
c. 2.5 days  d. 4 days

11. What is 411 times of 108?

a. 44388 b. 45848
c. 41328 d. 42818

12. 51% of a number is 714. What is 28% of that number?

a. 351  b. 392
c. 364  d. 378

13. A canteen requires 42 dozens apples for a week. How many dozen apple will it require for 39 days?

a. 294  b. 273
c. 234  d. 256

14. What would be the compound interest obtained on an amount of Rs. 5500 at the rate of 5 P.C.pa after two years?

a. Rs. 555.85  b. Rs. 645
c. Rs. 588     d. Rs. 563.75

15. The cost of 15 cell phones and 10 watches is Rs. 60675. What is the cost of 3 cell phones and 2 watches?

a. Rs. 11135  b. Rs. 12135
c. Rs. 13125  d. Rs. 13235

16. 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?

a. 12 yrs b. 16 yrs
c. 18 yrs d. 8 yrs

17. Bishal invests Rs. 5724 in mutual funds, which is 18% of his monthly income. What is his monthly income?

a. Rs. 26800  b. Rs. 29800
c. Rs. 31800  d. Rs. 32800

18. The average of 5 consecutive odd numbers A, B, C, D and E is 95. What is the product of C and E?

a. 9215  b. 9405
c. 9120  d. 9225

19. What is the least number to be added to 8200 to make a perfect square?

a. 51  b. 61
c. 71  d. 81

20. 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?

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)

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?

a. Rs. 1311 b. Rs. 1197
c. 1254     d. Rs. 1260

2. A person sells 320 mangoes at the cost price of 400 mangoes. What is his profit percent?

a. 10% b. 15%
c. 20% d. 25%

3. 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?

a. 10.5%      b. 8.5%
c. 9%         d. 15%

4. A number when divided by 133 leaves a remainder 21. If the same number is divided by 19, then the remainder will be

a. 1  b. 2
c. 7  d. 21

5. 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?

a. 3 years  b. 4 years
c. 5 years  d. 6 years

6. 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?

a. 15 days  b. 11 days
c. 20 days  d. 10 days

7. If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days?

a. 1 day    b. 7 days
c. 49 days  d. 3.5 days

8. 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

a. 20 minutes b. 30 minutes
c. 40 minutes d. 50 minutes

9. 3674 ÷ 44 = ?

a. 81.5 b. 82.5
c. 83.5 d. 84.5

10. 36³ x 5³ -2400² = ?

a. 720         b. 7200
c. 72000       d. 72

11. 11256 + 5838 – 623 = ? x 91

a. 174 b. 181
c. 195 d. 201

12. 89% of 541 = ?

a. 450.65  b. 437.72
c. 445.67  d. 481.49

13. 68.8 x 14.7 x 7.1 = ?

a. 7108.565 b. 7018.665
c. 7081.556 d. 7180.656

14. 9.3 x ? = 523.59

a. 56.3 b. 42.7
c. 68.9 d. 74.8

15. 10354 – 6815 – 1359 = ?

a. 2180 b. 1720
c. 1940 d. 2270

16. 16 x ? = 8736 ÷ 6

a. 79  b. 115
c. 103 d. 91

17. 35% of 411 - ?% of 272 = 84.01

a. 17% b. 22%
c. 25% d. 31%

18. 155 + 45 x 9 = ?

a. 209  b. 560
c. 1440 d. 6980

19. sqrt of (330625) = ?

a. 545 b. 565
c. 575 d. 615

20. 372.81 – 0.002 + 2.004 = ?

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)

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?

a. 4 h 20 min  b. 5 h 20 min
c. 5 hours     d. 6 hours

2. 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

a. 15 hours  b. 21 hours
c. 35 hours  d. 42 hours

3. Radius of a wheel is 0.25 m. how many times will it take to complete the distance of 11 km.?

a. 2800  b. 7000
c. 4000  d. 5500

4. A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?

a. 7.2  b. 3.6
c. 10   d. 8.4

5. 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?

a. 12 years   b. 15 years
c. 19.5 years d. 21 years

6. How many cubes of 10 cm edge can be put in a cubic box of 1 m edge?

a. 10   b. 100
c. 1000 d. 10000

7. 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

a. 22 b. 23
c. 24 d. 26 

8. 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%?

a. 5 b. 8
c.10 d. 15

9. How many times a day, are the hands of a clock in straight line but opposite in diretion?

a. 24 b. 20
c. 22 d. 48

10. Which of the following is the smallest number that gives remainder ‘2‘everytime, when divided by 6, 7, 8, 9 and 12?

a. 756  b. 504
c. 754  d. 506

11. Sqrt of (0.9) = ?

a. 0.3  b. 0.94
c. 0.03 d. 0.33

12. 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?

a. 600  b. 650
c. 700  d. 750

13. 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?

a. 4 litres   b. 5 litres
c. 6.5 litrs  d. 7.5 litres

14. The length of a rectangle is increased by 40% and its breath decreased by 30%. The change in the area of the rectangle is

a.10% increased  b. 10% decreased
c. 2% increased  d. 2% decreased

15. 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?

a. 3:5  b. 4:5
c. 1:1  d. Data inadequate

16. 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

a. Rs. 18.95 b. Rs. 16
c. Rs. 20    d. Rs. 25.71

17. 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?

a. 16:9:18   b. 25:18:10
c. 18:25:10  d. 15:8:30

18. 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

a. 99  b. 77
c. 88  d. 66

19. 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?

a. Rs. 3690  b. Rs. 1883.78
c. Rs. 2380  d. Rs. 3864

20. 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?

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)