1.

A man standing on a road hold his umbrella at 30° with the vertical to keep the rain away. He throws the umbrella and starts running at 10 km/hr. He finds that raindrops are hitting his head vertically, the speed of raindrops with respect to the road will be

A.                                 10 km/hr
B.                             20 km/hr
C.                                 30 km/hr
D.                             40 km/hr
Answer» C.                                 30 km/hr


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