A work can be finished in 15 days by twenty women. The same work can be finished in fifteen days by sixteen men. The ratio between the capacity of a man and a woman is	Choose one.
A) 4:3
B) 3:4
C) 2:3
D) 3:2
E) 5:4
Work done by 20 women in 1 day = 1/15   Work done by 1 woman in 1 day = 1/(15Ã—20)   Work done by 16 men in 1 day = 1/15   Work done by 1 man in 1 day = 1/(15Ã—16)   Ratio of the capacity of a man and woman =1/(15Ã—16) : 1/(15Ã—20) = 1/16 : 1/20   = 1/4 :1/5 = 5:4   Answer is 5:4.
<result>E</result>
A work can be finished in 15 days by twenty women. The same work can be finished in fifteen days by sixteen men. The ratio between the capacity of a man and a woman is