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If 5 men and 5 women work together then they can finish a work in 5 days but if 5 women work alone then they take 40/3 more days than the time required by 5 men. Find efficiency of one woman is how much percentage less than one man?

60%

66.66%

16 1/2%

75%

Explanation:

Let the days taken by 5W = x and 5M = y.
One day work of 5W = 1/x and that of 5M = 1/y

By: Amit Kumar

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