Math, asked by samfisher1, 1 year ago

a race boat covers a distance of 60 km downstream in one and half hour.it covers this distance upstream in 2 hours .the speed of the race boat in still water is 35km per hr .find the speed of the stream

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Answered by vidya252

1

the ans. Will be 5km/hr. check the above pic
..and solve it out ..pardon me 4 the bad handwriting and cuttings

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