A is twice as efficient as B and C is thrice as efficient as B. Working together, they can finish a certain work in 5 days. A and C worked together for 5 days. B alone would complete the remaining work in .......
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 5 days
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Efficiency:
If they work together and finish work in 5 days So, Total work = 6 × 5 = 30 unit |
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A and C worked together for 5 days So, Completed 5 × 5 = 25 unit Remaining work = 30 - 25 = 5 unit |
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B complete remaining work in 5/1 = 5 days |