MathematicsTrigonometry (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 33  37 of 51
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Question number: 33
» Mathematics » Trigonometry
Question
From the top of a pillar of height 20 m the angles of elevation and depression of the top and bottom of another pillar are and , respectively. The height of the second pillar (in m) is
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Choice (4)  Response  

a. 


b. 


c. 


d.  20 

Question number: 34
» Mathematics » Trigonometry
Question
are two parallel lines. PQ cuts AB and CD at E and F irrespectively. EL is the bisector of . If , then will be
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 35
» Mathematics » Trigonometry
Question
The value of is:
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 36
» Mathematics » Trigonometry
Question
In the given figure, what is the value of x?
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 37
» Mathematics » Trigonometry
Question
If the angle of elevation of a cloud from a point h m above a lake is B and the angle of depression of its reflection in the lake is a, then the height of the cloud is
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Choice (4)  Response  

a. 


b. 


c. 


d. 

