1.

A boat takes 2 hours to go 40 km down the stream and it returns in 4 hours. Findthe speed of the boat in still water and the speed of the stream.​

Answer»

Answer:

Let’s ASSUME the SPEED of the boat in still water be x km/hr And the speed of the stream = y km/hr So, the speed of the boat in DOWNSTREAM = (x + y) km/hr ...  



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