MathematicsTrigonometry (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 30  35 of 51
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1058 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 450.00 or
Question number: 30
» Mathematics » Trigonometry
Question
The perimeter of an equilateral triangle whose area is is
Choices
Choice (4)  Response  

a.  8 cm 

b.  3 cm 

c.  4 cm 

d.  12 cm 

Question number: 31
» Mathematics » Trigonometry
Question
An aero plane flying at a height of 300 m above the ground phase vertically above another plane at an instant when the angle of elevation of the two planes from the same point on the ground are and , respectively. The height of the lower plane from the ground (in m) is
Choices
Choice (4)  Response  

a.  150 

b. 


c.  50 

d. 


Question number: 32
» Mathematics » Trigonometry
Question
The value of is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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
Choices
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
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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

a. 


b. 


c. 


d. 

