Question

A boat goes upstream and covers the distance between two ports in 4 hours while it covers the same distance downstream in 1 7/13 hours. If the speed of the boat is 18 km/hr in still water, then the speed of the stream is ______

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Answer 1

Answer:

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Step-by-step explanation:

Speed downstream = (u + v) km/hr. Speed upstream = (u - v) km/hr

EXPLANATION UP STREAM IS U - V

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