A and B together can complete a piece of work in 35 days while A alone
A and B together can complete a piece of work in 35 days while A alone can complete the same work in 60 days. B alone will be able to complete the same working in
- 74 days
- 80 days
- 84 days
- 90 days
Answer
(A + B)’s one day work = 1/35
A’s one day work = 1/60
B’s one day’s work = (A + B)’s one days work - A’s one day’s work
1/35 - 1/60 = 1/84
The correct option is C.