A man is twice as fast as a women and a woman is twice as fast as a boy in doing a work. If all of them, a man , a woman…

A and B together can do a piece of work in 30 days, B and C together can do it in 20 days, A starts the work and works o…

An engineer undertakes a project to build a road 15 km long in 300 days and employs 45 men for the purpose. After 100 da…

Two pipes can fill the cistern in 10hr and 12 hr respectively, while the third empty it in 20hr. If all pipes are opened…

The time taken by 4 men to complete a job is double the time taken by 5 children to complete the same job. Each man is t…

X takes 4 days to complete one-third of a job. Y takes 3 days to complete one-sixth of the job and Z takes 5 days to com…

There was a leakage in the container of the refined oil. If 11 kg oil is leaked out per day then it would have lasted fo…

If 12 carpenters working 6 hours a day can make 460 chairs in 240 days, then number of chairs made by 18 carpenters in 3…