2 men and 7 boys can do a piece of work in 14 days ; 3 men and 8 boy

Question

2 men and 7 boys can do a piece of work in 14 days ; 3 men and 8 boys can do the same in 11 days . Then , 8 men and 6 boys can do three times the amount of this work in .

Options:

A . 18 days

B . 21 days

C . 24 days

D . 27 days

Answer: Option B

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