Tapas works twice as fast as Mihir. If both of them together complete a work in 12 days, Tapas alone can complete it in …

A contractor undertake to do a piece of work in 40 days. He engages 100 men at the beginning and 100 more after 35 days …

18 men can complete a piece of work in 63 days. 9 women take 189 days to complete the same piece of work. How many days …

A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that …

A and B together can complete a job in 8 days. Both B and C, working alone can finish the same job in 12 days, A and B c…

A can do a work in 10 days. The efficiency of A is 20% less than B. How many days B need to finish the same work?

If 2 men or 6 women or 4 boys can finish a work in 99 days, how many days will one man, one woman and one boy together t…

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