Question

A swimmer reaches the other bank of a flowing
river exactly opposite to the starting point. If he was
swimming at 2 km/hr while maintaining 150' with
the flow, then time taken by him to cross the river
1 km wide is
(1) 30 min
(2) 1 hr
(3) 2 hrs
(4) 20 min
​

Answer 1

your answer is

(2)1hr

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