NDA (National Defence Academy) Mathematics: Questions 97  102 of 384
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Question number: 97
» Vector Algebra » Vectors in Two and Three Dimensions
Appeared in Year: 2012
Question
Let be the origin and be the points such that then which one of the following is correct?
Choices
Choice (4)  Response  

a.  are the vertices of an equilateral triangle 

b.  are collinear 

c.  are the vertices of an isosceles triangle 

d.  All of the above 

Question number: 98
» Algebra » Arithmetic Progression
Appeared in Year: 2016
Question
Let be ib where Let be in where What is the value of
Choices
Choice (4)  Response  

a. 


b. 


c.  Cannot be determined 

d. 


Question number: 99
» Matrices and Determinants » Adjoint and Inverse of a Square Matrix
Question
Equation , then find the adjoint matrix.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 100
» Matrices and Determinants » Types of Matrices
Appeared in Year: 2016
Question
If, then which of the following is/are correct?
Is a unit matrix.
Select the correct answer using the code given below:
Choices
Choice (4)  Response  

a.  1 only 

b. 


c.  1 and 2 

d.  2 only 

Question number: 101
» Differential Calculus » Standard Limits
Question
What is the slope of the tangent to the curve at
Choices
Choice (4)  Response  

a. 


b.  0 

c. 


d. 


Question number: 102
» Algebra » Arithmetic Progression
Appeared in Year: 2016
Question
Let be in where Let be in where
What is the value of
Choices
Choice (4)  Response  

a.  10 

b.  9 

c.  6 

d.  8 
