1. X can do a piece of work in 24 days. When he had worked for 4 days, Y joined him. If complete work was finished in 16 days, Y can alone finish that work in ?

18 days

27 days

36 days

42 days

Answer: 36 days

Explanation:


2. A certain number of men can do a piece of work in 60 days. If there were 6 men more, the work can be finished 20 days earlier. The number of men working is ?

6

12

18

24

Answer: 12

Explanation:


3. A can do a piece of work in 20 days and B in 15 days. With the help of C, they finish the work in 5 days. C can alone do the work in ?

5 days

6 days

10 days

12 days

Answer: 12 days

Explanation:


4. 6 men or 12 women can do a piece of work in 20 days. In how many days can 8 men and 16 women do twice as big as this work ?

2 days

5 days

15 days

10 days

Answer: 15 days

Explanation:


5. If 10 men or 20 boys can make 260 mats in 20 days, then how many mats will be made by 8 men and 4 boys in 20 days ?

260

240

280

520

Answer: 260

Explanation:


6. If 1 man or 2 women or 3 boys can complete a piece of work in 88 days, then 1 man, 1 woman and 1 boy together will complete it in ?

36 days

42 days

48 days

54 days

Answer: 48 days

Explanation:


7. 6 men and 8 women can do a work in 10 days, Then 3 men and 4 women can do the same work in ?

24 days

20 days

12 days

18 days

Answer: 20 days

Explanation:


8. A man is twice as fast as a woman and a woman is twice as fast as a boy in doing a work. If all of them, a man, a woman and a boy can finish the work in 7 days, in how many days a boy will do it alone ?

49

7

6

42

Answer: 49

Explanation:


9. If 1 man or 2 women or 3 boys can do a piece of work in 44 days, then the same piece of work will be done by 1 man, 1 woman and 1 boy in ?

21 days

24 days

26 days

33 days

Answer: 24 days

Explanation:


10. 12 men and 16 boys can do a piece of work in 5 days; 13 men and 24 boys can do it in 4 days, then the ratio of the daily work done by a man to that of a boy is ?

2 : 1

3 : 1

1 : 3

5 : 4

Answer: 2 : 1

Explanation: