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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speed of the boat per hour = 35km
=35÷2
=17.5km/1hour is the speed of the stream
=35÷2
=17.5km/1hour is the speed of the stream
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