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.

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 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 and B can do a job in 16 days and 12 days respectively. B has started the work alone 4 days before finishing the job, A joins B. How many days has B worked 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?

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 do a piece of work in10 days, 12 days and 15 days respectively. How long will they take to finish it if they work together?