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A man is walking towards a vertical ...

A man is walking towards a vertical pillar in a straight path , at a uniform speed . At a certain point A on the path he oberves 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 pillar is `60^(@)` .Then the time taken (in minutes) by him , from B to reach the pillar , is

A

a) 10

B

b) 20

C

c) 5

D

d) 6

Text Solution

Verified by Experts

The correct Answer is:
C
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