Join ExamsbookAnswer : 3. "3 day"
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……5
Q: 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……
- 11 dayfalse
- 22 dayfalse
- 33 daytrue
- 44 dayfalse
- Show AnswerHide Answer
- Workspace
Answer : 3. "3 day"
Explanation :
(6M+5W)✖6=(3M+4W)✖10⇒so that we can find M:W=5:3, so that totalwork=270
so that work of (9M+15W) is 270⁄90=3 days