NDA (National Defense Academy) Mathematics: Questions 254  262 of 384
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Question number: 254
» Algebra » Conversion from Decimal System to Binary System
Question
The number in decimal system is expressed in binary system by
Choices
Choice (4)  Response  

a.  1010100  
b.  1111001  
c.  1000010  
d.  1001001 
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 
Passage
Let
Where,
Question number: 262 (1 of 3 Based on Passage) Show Passage
» Trigonometry » Trigonometric Identities Sum and Difference Formulae
Question
What is equal to?
Choices
Choice (4)  Response  

a.  0  
b. 
 
c.  1  
d. 
