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The ratio of the efficiencies of A, B an...

The ratio of the efficiencies of A, B and C is 3: 5:1. Working together, they can complete a piece of work in 5 days. A and B work together for 3 days. The remaining work will be completed by C alone in?

A

18 days

B

24 days

C

21 days

D

15 days

Text Solution

Verified by Experts

The correct Answer is:
C
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