Mathematics · Time and Work
A and B complete a work in 30 days. B and C complete the same work in 24 days, whereas C and A complete the same work in 28 days. Based on these statements, which of the following conclusions is correct?
- 1C is the most efficient and B is the least efficient.
- 2B is the most efficient but, the least efficient one cannot be determined.
- 3C is the most efficient but, the least efficient one cannot be determined.
- 4C is the most efficient and A is the least efficient.✓
Correct answer
C is the most efficient and A is the least efficient.
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