A race boat covers a distance of 60 km down stream in one and a half hour . It covers this distance upstream in 2 hours . The speed of the race boat in still water is 35km/hr . Find the speed of the stream .
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Speed of the stream is 5 km/hr. Hence goes (35−x) km in 1 hr. Therefore for a distance of 60 km Time = 6035−x hrs. So, speed of the stream is 5 km/hr.
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5 km/h
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