Sarang can complete a certain work in 25 days. He completes 60% of the work and then takes the help of Sanchi and Sudesh. Sanchi is 50% as efficient as Sarang and Sudesh is 50% as efficient as Sanchi. In how many days does the work get completed?

A and B together complete a task in 12 days. B and C complete the same task in 6 days while A and C together complete it in 10 days. Who is the most efficient of them all?

C

A

B

A and C

A and B

A and B can individually complete a certain piece of work in 36 days and 30 days respectively. They began working together, but A left after some days and B completed the remaining work in 19 more days. For how many days did they work together?

4

6

7

9

12

A pump can fill a tank with water in 2 hours. Because of a leak it took 2 2/3 hours to fill the tank. The leak can drain all the water of the tank in

6 hours

8 hours

10 hours

7 hours

9 hours

If Priya and Sneha complete some work in 5 days while Priya alone takes 15 days to complete the work. What will be the number of days taken by Sneha to complete the same work when she is working alone?

6 days

3 days

8 days

7.5 days

9 days