A man rows a boat 18 kilometres in 4 hours downstream and returns upstream in 12 hours. The speed of the stream (in km per hour) isa.1.75b.1c.2d.1.5
Question
Solution 1
The speed of a boat in still water and the speed of the stream can be calculated using the given distances and times.
When the man is rowing downstream, the speed of the boat and the speed of the stream add together. So, the speed of the boat downstream is 18km/4hrs = 4.5 km/hr.
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