The boat goes 24 km upstream and 28 km downstream in 6hours- It goes 30 km upstream and 21 km downstream in 6 1-2 - Find the speed of boat in still water and also speed of the stream-

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Standard X

Mathematics

Solving a Quadratic Equation by Factorization Method

The boat goes...

Question

The boat goes 24km upstream and 28 km downstream in 6hours. It goes 30 km upstream and 21 km downstream in 6 $\frac{1}{2}$ .Find the speed of boat in still water and also speed of the stream.

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Solution

Speed of stream = 4 km/hr,speed of current=10 km/hr.

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The boat goes 24km upstream and 28 km downstream in 6hours. It goes 30 km upstream and 21 km downstream in 612.Find the speed of boat in still water and also speed of the stream.

Speed of stream = 4 km/hr,speed of current=10 km/hr.

The boat goes 24km upstream and 28 km downstream in 6hours. It goes 30 km upstream and 21 km downstream in 6 $\frac{1}{2}$ .Find the speed of boat in still water and also speed of the stream.