Question

7. A, B and C working together can finish a piece of work in 8 hours. A alone can do it in
20 hours and B alone can do it in 24 hours. In how many hours will C alone do the same
work?​

Answer 1

Answer:

a b and c working together can finish a piece of work in 8 hours a alone can do it in 20 hours and b alone can do it in 24 hours do the same work in 22 hours