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A boat which has a speed of 5 km/hr in s...

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

A

1 km/hr

B

3 km/hr

C

4 km/hr

D

5 km/hr

Text Solution

Verified by Experts

The correct Answer is:
B
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