Question

a can complete a job in 10 days where A and B together can complete it in 6 days how long will it take for B to complete the job?

Answer 1

A's 1 day box= 1/10 A And B's 1 day work= 1/6 So. B's 1 day work= 1/6-1/10=2/30=1/15 B finish the work in = 15 days