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Twenty men can do a work in eighteen days. Eighteen women can complete the same work in fifteen days. What is the ratio between the capacity of a woman and a man ?

Correct Answer: 4:3

Explanation:

(20 x 18) men can complete the work in in one day.


one man's one day work = 1/360


(18 x 15) women can complete the work in 1 day


1 woman's one day work = 1/270


So, required ratio =  1 270 : 1 360 = 4:3


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