A race-boat covers a distance of 60 km downstream in one and a half hour. It
covers this distance upstream in 2 hours. The speed of the race-boat in still
water is 35 km/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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this the correct answer.
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