A) 3 days
B) 7 days
C) 12 days
D) 15 days
Correct Answer: C
Solution :
Here, 3 men's work =4women'swork 3 men can reap \[\frac{1}{43}\]of the field in 1 day. \[\therefore \]1 man reaps \[\frac{1}{129}\] of the field in 1 day. 4 women reap \[\frac{1}{43}\]of the field in 1 day. \[\therefore \]1 woman reaps\[\frac{1}{172}\]of the field in 1 day. \[\therefore \]7 men and 5 women reap \[\left( \frac{7}{129}+\frac{5}{172} \right)\]of the field 1 day or \[\frac{1}{12}\]of the field in 1 day. \[\therefore \]7 men and B women will reap the whole field in 12 days
You need to login to perform this action.
You will be redirected in
3 sec
