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Rain is falling vertically downward with...

Rain is falling vertically downward with a velocity of 4 km/hr. A person moves on a straigth road whit velocity 3 km/hr. then, the apparent velocity of the train with respect to person is

A

7 km/hr

B

5 km/hr

C

4 km/hr

D

1 km/hr

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The correct Answer is:
B
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