Ashok and mohan can do a piece of work in 12 days. Mohan and binod together do it in 15 days. If ashok is twice as good a workman as binod. In how much time will mohan alone can do the work

A and B can do a piece of work in 12 days.B and C together can do it in 15 days.If A is twice as good a workman as C, find in what time B alone can do it.

A and B together can complete a piece complete a piece of work in 12 days , B and C together can complete it in 15 days. If A is twice as good a workman as C, in many days will A alone complete the same work ?

A and B can do a piece of work in 12 days, B and C in 15 days respectively. If A is twice as good as a workman as C, in how many days will A alone complete the same work?

A and B together can do a piece of work in 12 days and A alone can do it in 18 days. In how many days canBalone do it?

A and B together can do a piece of work in 5 days and A alone can do it in 30 days. B alone can do the work in how many days?