NDA (National Defence Academy) Mathematics: Questions 20  27 of 384
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Question number: 20
» Analytical Geometry of Two and Three Dimensions » Distance of a Point from a Line
Question
Two poles are and high. The line joining their tips makes an angle of with the horizontal. What is the distance between the poles?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 21
» Differential Calculus » Standard Limits
Question
What is equal to
Choices
Choice (4)  Response  

a.  1/2 

b.   1 

c.  1/4 

d.  0 

Question number: 22
» Analytical Geometry of Two and Three Dimensions » Distance Formula
Question
If the midpoint between the points and lies on the line what is k equal to?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 23
» Algebra » Operations on Sets
Appeared in Year: 2012
Question
and are two matrices such that and then what is equal to?
Choices
Choice (4)  Response  

a.  2 

b.  3 

c.  1 

d.  4 

Question number: 24
» Differential Calculus » Continuity of Functions
Question
What is the solution of differential equation
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 25
» Matrices and Determinants » Operations on Matrices Determinant of a Matrix,
Question
If and then what is determinant of ?
Choices
Choice (4)  Response  

a.  0 

b.  1197 

c.  1177 

d.  1322 

Question number: 26
» Trigonometry » Angles and Their Measures in Degrees and in Radians
Appeared in Year: 2012
Question
If are two angle of a triangle, then what is the third angle?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 27
» Differential Calculus » Continuity of Functions
Appeared in Year: 2012
Question
What is the solution of differential equation
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 
