Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman?	Pick.
A) 3 : 4 B) 4 : 3 C) 5 : 3 D) Data inadequate E) None of these
Explanation:   (20 x 16) women can complete the work in 1 day.   1 woman's 1 day's work =1/320   (16 x 15) men can complete the work in 1 day.   1 man's 1 day's work =	1/240   So, required ratio   =	1/240 =1/320   =1/3 : 1/4   = 4 : 3 (cross multiplied)   ANSWER IS 4 : 3
<result>B</result>
Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman?