A boat is sent across a river with a velocity of boat is 10 π‘˜π‘š/β„Žπ‘Ÿ. If the resultant velocity of boat is 10 π‘˜π‘š/β„Žπ‘Ÿ, then velocity of the river is :

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Question : A boat is sent across a river with a velocity of boat is 10 π‘˜π‘š/β„Žπ‘Ÿ. If the resultant velocity of boat is 10 π‘˜π‘š/β„Žπ‘Ÿ, then velocity of the river is :

(A) 10 π‘˜π‘š/ β„Žπ‘Ÿ

(B) 8 π‘˜π‘š/β„Žπ‘Ÿ

(C) 6 π‘˜π‘š/β„Žπ‘Ÿ

(D) 4 π‘˜π‘š/β„Ž

Answer : option (C)

Solution :

A boat is sent across a river with a velocity of boat is 10 π‘˜π‘š/β„Žπ‘Ÿ. If the resultant velocity of boat is 10 π‘˜π‘š/β„Žπ‘Ÿ, then velocity of the river is :
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