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A river is flowing from north to south a...

A river is flowing from north to south at a speed of 0.3 kph. A man on the west bank of the river, capable of swimming 1 kph in still water, wants to swim across the river in the shortest time. He should in a direction:

A

Due east

B

`30^(@)` north of east

C

`30^(@)` weat of north

D

`60^(@)` north of east

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A
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