5 men can do a piece of work in 3 days. But 10 women can do it in 9 days. Then the ratio of the work done by 1 man and 1 woman is:
Answer & explanation
Correct answer: option 3
Total Work = No. of person × days
Therefore,
Total work ⇒ 5M × 3 = 10W × 9
⇒ M = 9 W
⇒ M : W = 9 : 1