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A boat goes 30 km upstream and 44 km dow...

A boat goes 30 km upstream and 44 km downstream in 10 hours. In 13 hours, it can go 40 km upstream and 55km down-stream. Determine the speed of the stream and that of the boat in still water.

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The correct Answer is:
8km/h and 3km/h
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KUMAR PRAKASHAN-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES -Test Your Skills
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