Question

A alone can do a piece of work in 12 days and b can do the same work in 8 days.a works alone for 4 days. in how many days will A and B together finish the remaining work

Answer 1

Answer:

1/2+1/8=2+3/24=5/24

4 days=1/12×4=1/3

remaining work =1_1/3=2/3

2/3÷5/24=2×24/3×5=16/5