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A Man Pushes Downstream 30 Km And Upstream 18 Km, Taking 5 Hours Each Time. What Is The Speed Of The Stream (current) ? |
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Answer» LET x=speed of BOAT and y=speed of current =30/ (x+y)=18/(x-y)=5 by SOLVING y=1.2 km/hr Let x=speed of boat and y=speed of current =30/ (x+y)=18/(x-y)=5 by solving y=1.2 km/hr |
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