[" speed of a boat is "5km/h" in still wate "],[" ses a river of width "1.0km" along the sho "],[" ible path in "15" minute.The velocity of the "],[" (in "km/h)" is "]

The speed of boat is 5 km/hr in still water. It crosses a river of width 1 km along the shortest possible path in 15 minutes. The velocity of the river water is

The speed of a boat is 5 km/h in still-water. It crosses a river of width 1 km along the shortest path in 20 min. The velocity of river water in km/h is

A boat which has a speed of 5 km/hr in still water crosses a river of width 1 km along the shortest possible path in 15 minutes. The velocity of the river water in km/hr is

The speed of boat is 5 kmh^(-1) in still water. It crosses a river of width 1 km along the shortest possible path in 15 min. Then, velocity of river will be