A boy can swim in still water at 4.5 km/h, but takes twice as long to swim upstream than downstream. The speed of the stream is ? » Sawaal Buzz

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A boy can swim in still water at 4.5 km/h, but takes twice as long to swim upstream than downstream. The speed of the stream is ?

A) 1.8 kmph

B) 2 kmph

C) 2.2 kmph

D) 1.5 kmph

Answer: 1.5 kmph

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