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A boat covers 14 kms in upstream and 20 kms downstream in 7 hours. Also it covers 22 kms upstream and 34 kms downstream in 10 hours. Find the speed of the boat in still water and of that the stream.
Asked by 6073sumant | 30 May, 2019, 09:17: AM
Let, the speed of a boat in still water = x km/hr
and speed of the stream = y km/hr

→ Speed of a boat in upstream = (x - y) km/hr and
Speed of a boat in downstream = (x + y) km/hr

We know that,
Time = Distance /Speed
According to the conditions in the question, we get

Answered by Yasmeen Khan | 30 May, 2019, 11:14: AM

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