Question

A and B together can finish a work in 15 days. If A alone can finish this work in 24 days, B alone can do this work In how many days?​

Answer 1

Answer:

Aand B together can finish a work in 15 days

A and B together finish 1/15 part of the work in one days.

A finish the work in 24 days

A finish 1/24 part of the work in one day

so B finish (1/15-1/24)part in one day

B finish 3/120 part in one days

B finish 1/40 part in one days

so B finish the work in 40 days