5 men and 2 women working together can do four times as much work per hour as a man and a woman together. The work done by a man and a woman should be in the ratio :
1 : 2
2 : 1
1 : 3
4 : 1
Correct Option: B
5m + 2w = 4m + 4w ⇒ m = 2w ∴ Required ratio = 2 : 1