NDA (National Defence Academy) Mathematics: Questions 255  261 of 384
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Question number: 255
» Matrices and Determinants » Operations on Matrices Determinant of a Matrix,
Question
Find the determinant of the following matrix:
Choices
Choice (4)  Response  

a.  86 

b.  76 

c.  103 

d.  108 

Question number: 256
» Algebra » Geometric and Harmonic Progressions
Question
If , , are in , then what is the value of
Choices
Choice (4)  Response  

a.  5 

b.  15 

c.  20 

d.  10 

Question number: 257
» Trigonometry » Inverse Trigonometric Functions
Question
If then what is equal to?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  0 

Question number: 258
» Algebra » Arithmetic Progression
Question
If are in AP as well as , then which one of the following is correct?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 259
» Algebra » Quadratic Equations with Real Coefficients
Question
If one of the roots of the equation is , then what is equal to?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 260
» Algebra » Arithmetic Progression
Appeared in Year: 2016
Question
Let be where Let be in where
What is the value of
Choices
Choice (4)  Response  

a.  90 

b.  105 

c.  Cannot be determined 

d.  120 

Question number: 261
» Algebra » Operations on Sets
Question
For all sets and is . Is this equation satisfied?
Choices
Choice (4)  Response  

a.  Yes 

b.  No 

c.  None of the above 

d.  Question does not provide sufficient data or is vague 
