Aptitude:: Height and Distance

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Exercise

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A man standing at a point P is watching the top of a tower, which makes an angle of elevation of 30ο with the man's eye. The man walks some distance towards the tower to watch its top and the angle of the elevation becomes 60ο. What is the distance between the base of the tower and the point P?

A. 4√3 units B. 8 units
C. 12 units D. Data inadequate
E. None of these    

Answer: Option D

Explanation:

 

One of AB, AD and CD must have given.

So, the data is inadequate.


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