Question

Peter can do a piece of work in 8 days, Sam in 10 days, and Jhohn in 16 days, Sam and John work together can do it in 12 days and then John is replaced by Peter. Find when the work will be finished

Answer 1

Step-by-step explanation:

A and B can separately do a piece of work in 20 and 15 days respectively. They worked together for 6 days, after which B was replaced by C. If work was finished in next 4 days, then the number of days in which C alone could do the work will be a. `30` b. `40` c. `35` d. `60\ `