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Vijay Sharma

· started a discussion

· 1 Months ago

vectors ghusa diye...kya bc

Question:

A boat which has a speed of 5 km/hr in still water crosses a river of width 1 km along the shortest possible path in 15 minutes. The velocity of the river water in km/hr is –

Options:
A)

1

B)

3

C)

4

D)

41    

Solution:

Ans: (b)

  

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