A son and father goes for boating in river upstream . After rowing for 1 mile son notices the hat of his father falling in the river. After 5 min he tells his father that his hat has fallen. So they turn round and are able to pick the hat at the point from where they began boating after 5min. Find the speed of river in miles/hours ?

by

A) 4 mile/hr

B) 6 mile/hr

C) 2 mile/hr

D) 5 mile/hr

View Answer
Option – B.

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