Amit, Bhawana and Chandan can do a piece of work, working together in one day only. Amit is 5 times efficient than Bhawn…

A and B can together finish a piece of work in 30 days. They worked on it 20 days and then B left. The remaining work wa…

40 men can complete a piece of work in 18 days. Eight days after they started working together, 10 more men joined them.…

A can do a piece of work in 14 days which B can do in 21 days. They begin together but 3 days before the completion of t…

A group of 12 men can do a piece of work in 14 days and other group of 12 women can do the same work in 21 days. They be…

There are three boats A, B and C, working together they carry 60 people in each trip. One day an early morning A carried…

Two workers A and B working together completed a job in 5 days. If A had worked twice as efficiently as he actually did…

A can complete a certain work in 4 minutes, B in 5 minutes, C in 6 minutes, D in 10 minutes and E in 12 minutes. The ave…