A work can be finished in 16 days by 5 women. The same work can be finished in 8 days by sixteen men. The ratio between the capacity of a man and a woman is  Choose one:
A) 1:3
B) 4:3
C) 2:3
D) 2:1
E) 5:8
Work done by 5 women in 1 day = 1/16   Work done by 1 woman in 1 day = 1/(16×5)   Work done by 16 men in 1 day = 1/8   Work done by 1 man in 1 day = 1/(8×16)   Ratio of the capacity of a man and woman =1/(8×16) : 1/(16×5) = 1/8 : 1/5   = 1/8 :1/5 = 5:8   Option 5:8
<result>E</result>
A work can be finished in 16 days by 5 women. The same work can be finished in 8 days by sixteen men. The ratio between the capacity of a man and a woman is