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Aptitude - Height and Distance - Discussion

@ : Home > Aptitude > Height and Distance > General Questions - Discussion

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"When ambition ends, happiness begins."
- (Proverb)
5. 

From a point P on a level ground, the angle of elevation of the top tower is 30º. If the tower is 100 m high, the distance of point P from the foot of the tower is:

[A]. 149 m[B]. 156 m
[C]. 173 m[D]. 200 m

Answer: Option D

Explanation:

Let AB be the tower.

Then, APB = 30º and AB = 100 m.

AB = tan 30º = 1
AP 3

AP = (AB x 3) m
= 1003 m
= (100 x 1.73) m
= 173 m.

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