1.

 45 men working 5 hours per day finish a piece of work in 12 days. In how many days can 60 women working 4 hours per day finish the same piece of work? 2 women do as much work in one hour as 1 man does

A. 7 days
B. 10 days
C. 15 days
D. 18 days
Answer» D. 18 days


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