Banking Exams Quant — Question 1802
Question
A and B together can do a work in 8 days, while A alone can do it in 12 days. In how many days can B alone do the work?
- 16 days
- 20 days
- 24 days
- 28 days
Correct answer
C — 24 days
Explanation (English)
B's one-day work = 1/8 − 1/12 = 3/24 − 2/24 = 1/24. So B alone takes 24 days.
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