Multiple Choice Question

A and B working together can do a piece of work in 6 days. B alone can do the same work in 12 days. How long (in days) will A alone take to do double the work?

A

12
B

25
C

24
D

27

Explanation:

A rate = 1/12 ⇒ Double work = 2 units ⇒ Time = 24 days.

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This question belongs to the set "RRB Group D 2025 Question Paper – 27 November Shift 1 | Set 2 (Q26–Q50) Mathematics". Click below to read detailed notes and attempt the full quiz.

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