Three taps A, B and C together can fill an empty cistern in 10 minutes. The tap A alone can fill it in 30 minutes and th…

3 men or 5 women can do a work in 12 days. How long will 6 men and 5 women take to finish the work ?

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

18 men or 36 boys working 6 hours a day can plough a field in 24 days. In how many days will 24 men and 24 boys working …

A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With the help of C, …

Three men A, B, C working together can do a job in 6 hours less time than A alone, in one hour less time than B alone an…

Two pipes A and B can fill a cistern in 12 min and 16 min respectively. Both the pipes are opened together for a certai…

A contractor undertakes to make a road in 40 days and employs 25 men. After 24 days, he finds that only one-third of the…