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A boat takes 10 hours to travel 30 km up...

A boat takes 10 hours to travel 30 km upstream and 44 km downstream, but it takes 13 hours to travel 40 km upstream and 55 km downstream. Find the speed of the boat in still water and the speed of the stream.

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The correct Answer is:
8 km/h
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ADVANCED MATHS BY ABHINAY MATHS ENGLISH-BOATS AND STREAM-QUESTIONS
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