1. A can do a work in 20 days and B in 40 days. If they work on it together for 5 days, then the fraction of the work that is left is ?

5/8

8/15

7/15

1/10

Answer: 5/8

Explanation:


2. A does half as much work as B in three fourth of the time. If together they take 18 days to complete the work, how much time will B alone take to do it ?

40 days

45 days

50 days

30 days

Answer: 30 days

Explanation:


3. Tapas works twice as fast as Mihir. If both of them together complete a work in 12 days, Tapas alone can complete it in ?

15 days

18 days

20 days

24 days

Answer: 18 days

Explanation:


4. 4 mat-weavers can weave 4 mats in 4 days. At the same rate how many mats would be woven by 8 mat-weavers in 8 days ?

4

8

12

16

Answer: 16

Explanation:


5. 7 men can complete a piece of work in 12 days. How many additional men will be required to complete double the work in 8 days ?

28

21

14

7

Answer: 14

Explanation:


6. If 5 men or 7 women can earn 5,250 per day, how much would 7 men and 13 women earn per day ?

11,600

11,700

16,100

17,100

Answer: 17,100

Explanation:


7. 2 men and 1 woman can complete a piece of work in 14 days while 4 women and 2 men can do the same work in 8 days. If a man gets Rs. 180 per day, then a woman will get per day ?

Rs. 150

Rs. 140

Rs. 120

Rs. 160

Answer: Rs. 120

Explanation:


8. A can do a piece of work in 60 days. He works for 15 days and then B alone finishes the remaining work in 30 days. The two together can finish the work in ?

24 days

25 days

30 days

32 days

Answer: 24 days

Explanation:


9. If two persons, with equal abilities, can do two jobs in two days, then 100 persons with equal abilities can do 100 similar jobs in ?

100 days

10 days

5 days

2 days

Answer: 2 days

Explanation:


10. A and B together can complete a work in 24 days. B alone does 1/3 rd part of this work in 12 days. How many days will A alone take to complete the remaining work ?

24 days

36 days

48 days

72 days

Answer: 48 days

Explanation: