Question

Paul and Peter undertake to do a piece of work of Rs. 700.paul alone can do the work in 5days.lisa Alon can do it in 10days.if Peter helps then they can finish the work in 3days.what will be the appror. share of Peter? ​

Answer 1

Paul and peter together can do it in 60 days, 1 day work = 1/60

Paul can do it in 80 days, 1 day work = 1/80

1 day work of peter = 1/60 - 1/80 = (4-3) / 240 = 1 / 240

Peter will take 240 days