Question
The speed of a boat in still water is 10 km/hr. It
covers (upstream) a distance of 54 km in 8 hours. The speed (in km/hr) of the stream isSolution
Upstream speed of boat = Distance/Time = 54/8 = 27/4 = 6.75 km/hr Therefore, speed of current = 10 – 6.75 = 3.25 km/hr
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