A can do a piece of work in 12 days and B can do it in 10 days and A, B and C t

Question

A can do a piece of work in 12 days and B can do it in 10 days and A, B and C together in 5 days. C alone can do it in:

Options:

A . 17 days

B . 27 days

C . 60 days

D . 30 days

Answer: Option D

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