A and B can do a piece of work in 72 days, B and C can do it in 120 days and A and C can do it in 90 days. In how many d…

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…

A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many…

A does half as much work as B in one-sixth of the time. If together they take 10 days to complete a work. How much time …

Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hour…

A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B al…

Anuj and Manoj can together paint their house in 30 days. After working for 20 days, Anuj has to go out and Manoj finish…

Two pipes can fill an empty tank separately in 24 minutes and 40 minutes respectively and a third pipe can empty 30 gall…