[Dairy Development Inspector, 2022]

6. A piece of work can be done by 6 men and 5 women in 6 days or 3 men and 4 women in 10 days. It can be done by 9 men and 15 women in _______ days.

(a)

1. 1

2. 2

3. 3

4. 4

Correct Answer :

3