Banking Exams Quant — Question 1801
Question
A can complete a piece of work in 12 days and B in 15 days. Working together, in how many days will they finish it?
- 6 days
- 6 2/3 days
- 7 days
- 7 1/2 days
Correct answer
B — 6 2/3 days
Explanation (English)
Combined one-day work = 1/12 + 1/15 = 5/60 + 4/60 = 9/60 = 3/20. Time = 20/3 = 6 2/3 days.
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