It is given that men are twice as efficient than women in respect of doing a work.If three men and two women can complete the work in 2 days, then in how many days can a woman working alone complete the work ?
Ratio of efficiency of Men and Women = 2 : 1
Total work = (men or women)$$\times days$$Â
So, total work = $$(3 m + 2 m)\times2= (3\times2+2\times1)\times2=16$$
1 woman can complete in = 16 days
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