1 Q13. A can do a work in 5 days less than the time taken by B to do it. If both of them together take 100 /9 days, then the time taken by alone to do the same work (in days) is   1 15 2 20 3 25 4 30   Answer: Option3

2 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:   1 5/8 2 8/15 3 7/15 4 1/10   Answer: Option1

3 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?   1 35 2 40 3 45 4 50   Answer: Option2

4 5 persons can prepare an admission list in 8 days working 7 hours a day. If 2 persons join hem so as to complete the work in 4 days they need to work per day for   1 10 hours 2 9 hours 3 12 hours 4 8 hours   Answer: Option1

5 Some carpenters promised to do a job in 9 days but 5 of them were absent and remaining men were absent and remaining men did the job in 12 days. The original number of carpenters was   1 24 2 20 3 16 4 18   Answer: Option2

6 60 men could complete a work in 250 days. They worked together for 200 days. After that the work had to be stopped for 10 days due to bad weather. How many more men should be engaged to complete the work in time?   1 10 2 15 3 18 4 20   Answer: Option2

7 A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work?   1 18 days 2 24 days 3 30 days 4 36 days   Answer: Option1

8 A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in:   1 $9\frac{1}{5}days$ 2 $9\frac{2}{5}days$ 3 $9\frac{3}{5}days$ 4 10   Answer: Option3

9 A and B can do a work in 12 days, B and C in 15 days and C and A in 20 days. If A, B and C work together, they will complete the work in:   1 5 days 2 8 days 3 10 days 4 9 days   Answer: Option3

10 A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is :   1 1/4 2 1/10 3 7/15 4 8/15   Answer: Option4