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The speed of boat in still water is 10 km/hr it covers (upstream) a distance of 45km in 6 hours, The speed (in km/hr) of the stream is :
?The speed of the boat in still water, x = 10 km/h
Upstream speed, U = 45/6 km/h
Thus, x – y = 45/6
10 – y = 45/6
y = 10 – 45/6
= 60 – 45/6 = 15/6 = 2.5 km/h
Thus, Speed of the stream, y = 2.5 km/h
By: Manpreet kaur ProfileResourcesReport error
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