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A man wishes to swim across a river 40 m...

A man wishes to swim across a river 40 m wide flowing with a speed of 3m/s. such that he reaches the point just infront on the other bank in time not greater than 100s. The angle made by the direction he swims and river flow direction is :-

A

`90^(@)`

B

`127^(@)`

C

`150^(@)`

D

`143^(@)`

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The correct Answer is:
B
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