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 is twice as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to fini…

A contractor undertook to finish a work in 92 days and employed 110 men. After 48 days, he found that he had already don…

A takes three times as long as B and C together to do a job. B takes four times as long as A and C together to do the wo…

5 men and 2 women working together can do four times as much work per hour as a men and a women together. The work done …

If 3 men or 9 boys can finish a piece of work in 21 days, in how many days can 5 men and 6 boys together do the same pie…

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…

Some carpenters promised to do a job in 9 days but 5 of them were absent and remaining men did the job in 12 day. The or…