A river flows at the rate of 3 km/hr and a person can row a boat at a speed of 5 km/hr is still water. If the difference between the times taken to cross the river by the shortest path the quickest time be 4 minutes, find the width of the rivers.

A river flows at the rate of 3 km/hr and a person can row a boat at a

1.	A river flows at the rate of 3 km/hr and a person can row a boat at a speed of 5 km/hr is still water. If the difference between the times taken to cross the river by the shortest path the quickest time be 4 minutes, find the width of the rivers.
Answer» `2 1/3 KM` `1 1/3` km `3 1/4` km `4 1/3` km Answer :B