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A man is walking towards a vertical pill...

A man is walking towards a vertical pillar in a straight path, at a uniform speed. At a cetrain point A on the path, he observves that the angle of elevation of the top of the pillar is `30^(@)`. After walking for 10 minutes from A in the same direction, at a point B, he observes that the angle of elevation of the top of the pillar is `60^(@)`. Then the time taken (in minutes ) by him, from B to reach the pillar, is

A

10

B

20

C

5

D

6

Text Solution

Verified by Experts

The correct Answer is:
C
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