Question : A and B together can do a piece of work in 36 days and B and C together can do it in 24 days. A and C together can do it in 18 days. The three working together can finish the work in:

Question : A and B together can do a piece of work in 12 days, while A alone can do the same work in 30 days. B alone can do it in:

Question : A and B together can do a piece of work in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is:

Question : A can do a piece of work in 10 days and B can do it in 12 days. They work together for 3 days. Then B leaves and A alone continues. 2 days after that C joins and the work is completed in 2 days more. In how many days can C do it, if he works alone?

Question : A and B can do a piece of work in 18 days, B and C in 24 days and A and C in 36 days. Working together, they can do the work in: