A swimmer crosses a rive of width d flowing at velocity v While swimming he heads himself always at an angle of 120 with the

Question

A swimmer crosses a rive of width d flowing at velocity v While swimming he heads himself always at an angle of 120 with the river flow and on reaching the other end he finds a drift of d 2 in the direction of flow of river The speed of the swimmer with respect to the river is 1 2 3 v 3 4 2 3 v 2 2 2 3 v 4 2 3 v

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