A swimmer’s speed in the direction of flow of river is 16 km h –1 . Swimmer's speed against the direction of flow of river is 8 km h –1 . Calculate the swimmer’s speed in still water and the velocity of flow of the river.
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12 km/h , 4km/h
Sol. V S + V r = 16 V S – V r = 8
⇒ V S = 12km/hr ⇒ V r = 4 km/hr
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