[" 10.And B can finish a piece of work in 16days and 12days respectively.A started the work and worked at it for 2days.He wass "],[" joined by B.Find the total time taken to finish the work."]

A and B can finish a piece of work in 16 days and 12 days respectively.A started the work and worked at it for 2 days.He was then joined by B.Find the total time taken to finish the work

A\ a n d\ B can do a piece of work in 6 days and 4 days respectively. A started the work; worked at it for 2 days and then was joined by B . Find the total time taken to complete the work.

A\ a n d\ B can do a piece of work in 6 days and 4 days respectively. A started the work; worked at it for 2 days and then was joined by B . Find the total time taken to complete the work.

If 40 men can finish a piece of work in 60 days. In how many days will 75 , men finish the same work ?

A, B and C can finish a piece of work in 10 days, 12 days and 15 days respectively. A and B started working together. After working for one day A left the work while C joins. After two days B left the work while A joins. There is holiday on fourth day and then process is repeated till the work in finished. In how many days work would be finished?

A can complete a piece of work in 9 days and B in 12 days respectively . If they work for a day alternately , In how many days the work should be finished , If A begins the work ?

A and B can finish a piece of work in 12 days, B and C in 15 days shile C and A in 20 days. How long will they take to finish it together ? How long will each take to finish the work alone ?

A, B and C can finish a piece of work in 12 days, 15 days and 20 days respectively. They started working together. B left the work after working 3 days and C left the work 3 days before completion of the work. In how many days work will be finished?