NDA (National Defense Academy) Mathematics: Questions 169  178 of 384
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Question number: 169
» Algebra » Quadratic Equations with Real Coefficients
Appeared in Year: 2012
Question
The solution of the simultaneous linear equations and will be satisfied by which one of the following linear equation?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 170
» Analytical Geometry of Two and Three Dimensions » Angle between Two Lines
Appeared in Year: 2016
Question
Out of points in a plane, points are in the same straight line, triangles can be formed by joining these points. What is the value of
Choices
Choice (4)  Response  

a.  5  
b.  3  
c.  6  
d.  4 
Question number: 171
» Trigonometry » Angles and Their Measures in Degrees and in Radians
Question
What is equal to?
Choices
Choice (4)  Response  

a.  1  
b.  
c.  
d. 

Question number: 172
» Algebra » Quadratic Equations with Real Coefficients
Question
What is the distance between the lines and?
Choices
Choice (4)  Response  

a.  units  
b.  0  
c.  units  
d.  units 
Question number: 173
» Vector Algebra » Scalar Product or Dot Product of TwoVectors
Question
If , then what is the unit vector parallel toin the opposite direction?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 174
» Analytical Geometry of Two and Three Dimensions » Distance of a Point from a Line
Appeared in Year: 2012
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: 175
» Differential Calculus » Continuity of Functions
Question
If and there exists point in the interval such that then what is the value of
Choices
Choice (4)  Response  

a.  0  
b.  3  
c.  1  
d.  2 
Question number: 176
» Differential Calculus » Algebraic Operations on Continuous Functions
Question
What is equal to?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 177
» Algebra » Operations on Sets
Question
and are two matrices such that and then what is equal to :
Choices
Choice (4)  Response  

a.  X  
b.  Y  
c.  1  
d.  1 
Question number: 178
» Statistics and Probability » Union and Intersection of Events
Appeared in Year: 2012
Question
Out of first year students, passes in first semester and passed in the second semester. If did not pass in either semester, how many passed in both semesters?
Choices
Choice (4)  Response  

a.  40  
b.  140  
c.  70  
d.  30 