NDA (National Defence Academy) Mathematics: Questions 173  179 of 384
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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 

Question number: 179
» Differential Calculus » Derivative of a Function at a Point
Appeared in Year: 2012
Question
What is equal to?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

