Vijay can do a work in 15 days, which Abhinav can do in 10 days. Abhinav worked on this work for 8 days. Vijay can finish the remaining work in

A can do a piece of work in 30 days and B in 20 days. They work together for 4 days and B leaves. A will finish remaining work in

A can complete a particular task in 25 days whereas B can finish that task in 15 days. A and B together do the work for 5 days and then A leaves the task. How many days will B take to complete the re…

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 alone would take to do the whole work?

If A and B can finish a work in 10 days, B and C can finish the same work in 12 days, C and A can finish the same work in 15 days; then in how many days can A, B and C together finish half of the wor…

A certain number of men can do a work in 60 days. If there were 8 more men, it could be finished in 10 days less. Number of men?