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a Boat is moving at the rate of 5 km per hour in still water and takes thrice as much as time in going 40 km upstream as in going 40 km downstream find the speed of the stream |
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Answer» Let x be time taken for the boat to GO so still water. speed =5x and 40 KM upstream =3(5x)=15x. speed of STREAM =40/15 |
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