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

a. Rs.620 b. Rs.640
c. Rs.660 d. Rs.680

2. A man spends in 4 months as much as he earns in 3 months. His annual saving is Rs.1206. His annual income is

a. Rs.4824 b. Rs.4428
c. Rs.8442 d. Rs.4284

3. Two numbers are in the ratio 6:13. If their L.C.M. is 468 then their H.C.F. is

a. 12  b. 8
c. 6  d. 4

4. 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

a. 48 years b. 50 years
c. 56 years d. 60 years

5. The least number of 4 digits which when divided by 12, 16 or 24 leaves a remainder 4 in each case, is

a. 1008  b. 1012
c. 1048  d. 1024

6. The least number which divides 6534 to make the resulting number a perfect square is

a. 7  b. 6
c. 3  d. 2

7. If 87.5% of a number be 56, then the number is

a. 64  b. 70
c. 72  d. 80

8. 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

a. Rs.60 b. Rs.50
c. rs.45 d. rs.40

9. 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

a. Rs.132 b. Rs.140
c. Rs.144 d. Rs.150

10. 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

a. 12 years b. 14 years
c. 15 years d. 16 years

11. 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

a. 800  b. 900
c. 990  d. 1000

12. 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

a. 16  b. 14
c. 12  d. 10

13. 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

a. 10 days b. 12 days
c. 14 days d. 16 days

14. 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

a. 6 days b. 8 days
c. 10 days d. 12 days

15. 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

a. 10 mins b. 8 mins
c. 6 mins d. 4 mins

16. A man sold 14 articles for one rupee, thereby losing 4%. To gain 12% the number of articles to sold per rupee is

a. 10  b. 11
c. 12  d. 13

17. 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

a. 200  b. 250
c. 300  d. 400

18. 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

a. Rs.625 b. Rs.650
c. Rs.660 d. Rs.675

19. 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

a. Rs.120 b. Rs.125
c. Rs.130 d. Rs.140

20. If the radius of a circular plot land is increased by 20%, the circumference of the plot increased by

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).