1.

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

A. 18 days
B. 21 days
C. 24 days
D. 30 days
Answer» C. 24 days


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