A and B together can do a piece of work in 12 days, while B alone can finish it in 30 days. A alone can finish the work in?

Question

Accepted Answer

(A + B)'s 1 days work = 1/12 B's 1 days work = 1/30 ∴ A's 1 days work = 1/12 - 1/30 = (5 - 2)/60 = 1/20 ∴ A alone can finish the work in 20 days.

Discussion & Comments