NDA (National Defence Academy) Mathematics: Questions 193  197 of 384
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Question number: 193
» Differential Calculus » Application in Problems of Maxima and Minima
Appeared in Year: 2012
Question
Which one of the following statements is correct?
Choices
Choice (4)  Response  

a.  The derivative of a function at a point will exists if there is one tangent to the curve at that point and the tangent is not parallel to yaxis 

b.  The derivative of a function at a point will exists if there is one tangent to the curve at that point and the tangent is parallel to yaxis 

c.  The derivative of a function at a point will exists if there is one tangent to the curve at that point and the tangent is parallel to axis 

d.  Question does not provide sufficient data or is vague 

Question number: 194
» Algebra » Operations on Sets
Appeared in Year: 2012
Question
If are two nonempty sets having elements in common, then what is the number in the sets
Choices
Choice (4)  Response  

a. 


b.  2n 

c.  n 

d.  Zero 

Question number: 195
» Algebra » Logarithms and Their Applications
Question
What is the value of
Choices
Choice (4)  Response  

a.  2/7 

b.  0 

c.  1/2 

d.  1/9 

Question number: 196
» Algebra » Quadratic Equations with Real Coefficients
Question
The equation formed by multiplying each root of by is .
What is equal to?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 197
» Algebra » Operations on Sets
Question
and are two matrices such that and then what is equal to?
Choices
Choice (4)  Response  

a.  2 

b.  1 

c.  3 

d. 

