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A motor boat is to reach at a point 30^@...

A motor boat is to reach at a point `30^@` upstream on the outer side of a river flowing with velocity `5 ms^(-1)`. The velocity of motor boat with respect to water is `5(sqrt3) ms^(-1)`. The driver should steer the boat at an angle.

A

`120^(@)` with respect to stream direction

B

`30^(@)` with respect to the perpendicular to the bank

C

`30^(@)` with respect to the line of destination from starting point

D

none of these

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The correct Answer is:
C
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