MathematicsTrigonometry (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 46  50 of 51
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Question number: 46
» Mathematics » Trigonometry
Question
The angle of elevations ’G^{′} of the top of a light house at a point on the ground is such that tan is. When the point is moved 240 m towards the light house, the angle of elevation become such that tan. Then, the height of light house is
Choices
Choice (4)  Response  

a.  225 m 

b.  215 m 

c.  235 m 

d.  200 m 

Question number: 47
» Mathematics » Trigonometry
Question
In the given figure, , then which of the following is true?
Choices
Choice (4)  Response  

a.  p + q  r = 180° 

b.  p  q + r = 180° 

c.  p + q + r = 180° 

d.  p + q  2r = 180° 

Question number: 48
» Mathematics » Trigonometry
Question
is triangle with. From A, a perpendicular AD is drawn on BC. Which one of the following is correct?
Choices
Choice (4)  Response  

a.  stands for the notation of similarity. 

b. 


c. 


d. 


Question number: 49
» Mathematics » Trigonometry
Question
The angles of a triangle are x, y and z and such that, then value of y will be
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 50
» Mathematics » Trigonometry
Question
The string of a kite is 150 m long and it makes an angle of 60° with the horizontal. The height of the kite from the ground is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 
