Height and Distance Questions and Answers

Q 1

Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30º and 45º respectively. If the lighthouse is 100 m high, the distance between the two ships is:


A)  

173 m

B)  

200 m

C)  

273 m

D)  

300 m


Correct Option - C

Explanation


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Q 2

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


Correct Option - C

Explanation


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Q 3

The angle of elevation of a ladder leaning against a wall is 60º and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is:


A)  

2.3 m

B)  

4.6 m

C)  

7.8 m

D)  

9.2 m


Correct Option - D

Explanation


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