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)