Question

A and B can do the work in 8 days ; B and C can do the work in 12 days ;A ,B and C together can finish it in 6 days .In how many days A and C together will do the same work

Answer 1

The answer is B because it has a days to work in and if you’re working at the same job every day it will take 12 days a week 8-2(2-4)=2