NDA (National Defense Academy) Mathematics: Questions 337  343 of 384
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Question number: 337
» Analytical Geometry of Two and Three Dimensions » Eccentricity and Axis of a Conic
Appeared in Year: 2012
Question
What is the eccentricity of the conic section
Choices
Choice (4)  Response  

a. 
 
b.  2/3  
c. 
 
d. 

Question number: 338
» Statistics and Probability » Union and Intersection of Events
Question
In a city, three daily newspaper are published, read read C; read B and C; o not read any of the three newspaper
What is the percentage of persons who read only one paper? (Take )
Choices
Choice (4)  Response  

a.  48%  
b.  38%  
c.  46%  
d.  None of the above 
Question number: 339
» Trigonometry » Trigonometric Identities Sum and Difference Formulae
Question
What is the value of
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  0 
Question number: 340
» Statistics and Probability » Union and Intersection of Events
Appeared in Year: 2012
Question
In a city, three daily newspapers are published, read read read read A and B; read read o not read any of the three newspapers.
What is the percentage of persons who read all the three papers?
Choices
Choice (4)  Response  

a.  40 %  
b.  30 %  
c.  20 %  
d.  25 % 
Question number: 341
» Vector Algebra » Magnitude and Direction of a Vector
Question
What are the direction ratios of normal to the plane
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 
Question number: 342
» Matrices and Determinants » Basic Properties of Determinant
Appeared in Year: 2012
Question
If two rows of a determinant are identical, then what is the value of the determinant?
Choices
Choice (4)  Response  

a.  Can be any real value  
b.  1  
c.   1  
d.  0 
Question number: 343
» Statistics and Probability » Union and Intersection of Events
Question
In a city, three daily newspaper are published, read read read read read o not read any of the thr
What is the percentage of persons who read all the three papers?
Choices
Choice (4)  Response  

a.  20 %  
b.  25 %  
c.  28 %  
d.  32 % 