1.

The work done by a woman in 8 hours is equal to the work done by a man in 6 hours and by a boy in 12 hours. If working 6 hours per day 9 men can complete a work in 6 days, then in how many days can 12 men, 12 women and 12 boys together finish the same working 8 hours per day?

A. 21 1/2 days
B. 11 1/2 days
C. 31 1/2 days
D. None of these
Answer» C. 31 1/2 days


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