15 men take 21 days of 8 hours each to do a piece of work. How many days of 6 hours each would 21 women take, if 3 wonen do as much work as 2 men ?
15 men take 21 days of 8 hours each to do a piece of work. How many days of 6 hours each would 21 women take, if 3 wonen do as much work as 2 men ?
A18
B20
C25
D30
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