Vector Algebra (NDA (National Defense Academy) Mathematics): Questions 1  7 of 19
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Question number: 1
» Vector Algebra » Addition of Vectors
Appeared in Year: 2012
Question
If the midpoint between the points and lies on the line what is k equal to?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2
» Vector Algebra » Addition of Vectors
Question
What is the value of if the vectors are coplanar?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 3
» 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: 4
» Vector Algebra » Addition of Vectors
Appeared in Year: 2012
Question
What is the value of if the vectors are coplanar?
Choices
Choice (4)  Response  

a.  2  
b. 
 
c. 
 
d.  4 
Question number: 5
» Vector Algebra » Scalar Product or Dot Product of TwoVectors
Appeared in Year: 2012
Question
If the magnitude of two vectors are equal then which one of the following is correct?
Choices
Choice (4)  Response  

a.  is perpendicular to  
b. 
 
c. 
 
d.  All of the above 
Question number: 6
» Vector Algebra » Addition of Vectors
Appeared in Year: 2012
Question
If vectors and are orthogonal to each other, then what is the locus of the point
Choices
Choice (4)  Response  

a.  A circle  
b.  An ellipse  
c.  Straight line  
d.  A parabola 
Question number: 7
» Vector Algebra » Scalar Product or Dot Product of TwoVectors
Question
If , then what is the unit vector parallel to in the opposite direction?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
