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? -

Question: 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?
[A].

3 : 4

[B].

4 : 3

[C].

5 : 3

[D].

Data inadequate

Answer: Option B

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	:	1
	240		320

=	1	:	1
	3		4

= 4 : 3 (cross multiplied)