NDA (National Defence Academy) Mathematics: Questions 326  332 of 384
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Question number: 326
» Matrices and Determinants » Operations on Matrices Determinant of a Matrix,
Appeared in Year: 2012
Question
IF and then what is determinant of
Choices
Choice (4)  Response  

a.  20 

b.  0 

c.  1 

d.  10 

Question number: 327
» Algebra » Arithmetic Progression
Question
The interior angles of a polygon of sides are in the smallest angle is and the common difference is find the value of number of sides.
Choices
Choice (4)  Response  

a.  5,12 

b.  3,5 

c.  0 

d.  Question does not provide sufficient data or is vague 

Question number: 328
» Algebra » Arithmetic Progression
Appeared in Year: 2012
Question
What is the arithmetic mean of first natural number with weights being the number itself?
Choices
Choice (4)  Response  

a. 


b. 


c.  11 

d. 


Question number: 329
» Trigonometry » Angles and Their Measures in Degrees and in Radians
Appeared in Year: 2012
Question
The actuate angle which the perpendicular from origin on the line makes with the axis is
Choices
Choice (4)  Response  

a. 


b. 


c.  Positive but not 

d.  Negative 

Question number: 330
» Algebra » Conversion from Decimal System to Binary System
Appeared in Year: 2012
Question
The number in decimal system is expressed in binary system by
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 331
» Analytical Geometry of Two and Three Dimensions » Direction Cosines and Direction Ratios
Question
What is the cosine of angle between the planes and
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 332
» Algebra » Complex Numbers » Modulus
Question
If , then what is the imaginary part of equal to?
Choices
Choice (4)  Response  

a. 


b. 


c.  0 

d.  1 
