A boat travel 30km upstream in a river in the same period of time as it takes to travel 50km downstream. if the rate of stream be 5km/hr, find the speed of boat in still water.
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Step-by-step explanation:
I have attached the answer below.
Vr= Velocity of river/ stream
Vbr = Velocity of boat in still water.
Speed upstream is Vbr - Vr
Speed downstream = Vbr+ Vr
Equate both the equations and you will get the answer as 20 kmph
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