A alone can complete a work in 12 days. A and B together can complete it in 8 days. How long will B alone take to complete the work?
A alone can complete a work in 12 days. A and B together can complete it in 8 days. How long will B alone take to complete the work?
[A]20 days
[B]24 days
[C]16 days
[D]18 days
24 days
A’s one day’s work
(A + B)’s one day’s work
∴ B’s one day’s work =
∴ B alone can do the work in 24 days.
Hence option [B] is the right answer.
