Question

a and b can together do a piece of work in 24 days alone in 36 days .b alone can do it in

Answer 1

Answer:

A+b = 24 days

A alone in 36 days

total work is 72

A and B do 3 work in a day

A alone do 2 work in a day

so B do 1 work in a day

total work / work done in 1 day

72 / 1 = 72

it means B alone can do all the work in 72 days