Question

A alone can do a piece of work in 8 days .A and B together can finish the same work in 6 days . If B alone Is doing the work how much long will he take ?

Answer 1

1/8+B=1/6

B=1/6-1/8

=8-6/48

=2/48

=1/24

B can do alone in 24 days

Answer 2

one day work of A =1/8

together :1/6

one day work of B =1/x

BTP,

1/8+1/x=1/6 .

on solving x=24