NDA (National Defence Academy) Mathematics: Questions 338  342 of 384
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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 readreadread A and B; readreado 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 
