A does a job in 6 days. B does the same job in 3 days. Who is more efficient?
Correct answer: B. B
- A. A
- B. B
- C. Same
- D. Depends on work
Explanation
The correct answer is B. Efficiency is determined by how quickly a task can be completed. Since B completes the job in 3 days while A takes 6 days, B is more efficient. Option A is incorrect because A takes longer to do the same work. Option C is incorrect because the time taken by A and B is different, indicating different efficiency levels. Option D is incorrect because the job is identical for both A and B, allowing for a direct comparison of efficiency based solely on time.
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