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Speed of a boat in still water is 15 km/hour. It goes 30 km up stream and returns back at the same point in 4 hours 30 minutes.

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in Class 10 by kratos

Speed of a boat in still water is 15 km/hour. It goes 30 km up stream and returns back at the same point in 4 hours 30 minutes. Find the speed of the stream.

1 Answer

+1 vote
by kratos
 
Best answer

Let the speed of the Stream be r km/hr.

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