Question

and B can do a piece of work in 2 days. B and C can do it in 120 days. A and C
days. In what time can A alone do it?
c) 120 days
d) 150 day
by 100 days​

Answer 1

Answer:

Explanation:

B and C can do it in 120 days, A and C can do it in 90 days. In how many days all the three together can do the work ? ∴ A, B and C together can finish the whole work in 60 days. Hence option [B] is the right answer.