Math Set - 5

1. The square number between 1000 and 2000 which is divisible by 13 is

a. 1495  b. 1508
c. 1521  d. 1534

2. The smallest number of six digits which is a perfect square is

a. 100472  b. 100489
c. 100526  d. 100548

3. 7.5 % of Rs.2500 is

a. Rs.180  b. Rs.185
c. Rs.190  d. None of these

4. 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

a. 10 m  b. 12 m
c. 16 m  d. 20 m

5. A man makes a profit of 20% on sales. The percentage of profit on cost becomes

a. 20  b. 30
c. 25  d. 22.5

6. Square of 197 is equal to 38809; square of 198 is equal to

a. 39184  b. 39194
c. 39204  d. 39214

7. 62.7525 when divided by 2.25 is

a. 2.789  b. 27.89
c. 0.2789  d. 278.9

8. 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

a. 80 km.  b. 96 km.
c. 100 km.  d. 105 km.

9. 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

a. 9 days  b. 7 days
c. 5 days  d. 8 days

10. 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

a. 81 days  b. 225 days
c. 135 days d. 200 days

11. The number of days old that a person would be on 31 December, 1910 who was born on 24th January, 1892 is

a. 6915  b. 6916
c. 6917  d. 6918

12. The number of square meters in a square kilometers is

a. 1000  b. 10000
c. 100000 d. 1000000

13. 0.56 of a right angle when expressed in degrees, becomes

a. 48.6  b. 50.4
c. 52.2  d. 54.6

14. Rs.2520 is divided into two parts one of which is 10/11 of the other. The smaller part is

a. Rs.1200  b. Rs.1320
c. Rs.2000  d. Rs.1500

15. In order that 5416*6 will be a perfect square, the missing digit will be

a. 3   b. 5
c. 7   d. 9

16. The time in which Rs.1500 amounts to Rs.1770 at 9% simple interest per annum is

a. 1.5 years b. 2 years
c. 2.5 years d. 3 years

17. The time taken by a train 135 meter long moving @ 57 km. per hour to pass over a platform of length 245 meter is

a. 20 sec  b. 24 sec
c. 28 sec  d. 30 sec

18. An amount Rs.8100 is left after paying income tax @ 10%. The amount that will be left after paying income tax @ 15% is

a. Rs.7640  b. Rs.7680
c. Rs.8000  d. None of these

19. 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

a. 60 liters  b. 75 liters
c. 80 liters  d. None of these

20. A man paid 18% of his income in insurance and 11% in rent. His insurance payment was Rs.360. His payment for rent was

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).