KVPY StreamSBSX Math: Questions 64  68 of 155
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Question number: 64
» Basic Mathematics » Arithmetic » Number Games
Appeared in Year: 2013
Question
Let a, b, c, d be real numbers such that,
For every natural number n. Thena+ b+ c+ dis equal to –
Choices
Choice (4)  Response  

a.  31  
b.  16  
c.  15  
d.  32 
Question number: 65
» Coordinate Geometry » Conic Sections
Appeared in Year: 2012
Question
Consider the conic . Suppose P is any point on the conic and S_{1}, S_{2} are the foci of the conic, then the maximum value of is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 66
» Basic Mathematics » Geometry » Circle and Properties
Appeared in Year: 2012
Question
Suppose two perpendicular tangents can be drawn from the origin to the circle for some real p. Then is equal to –
Choices
Choice (4)  Response  

a.  17  
b.  5  
c.  3  
d.  0 
Question number: 67
» Sets, Relations and Functions » Functions and Composition
Appeared in Year: 2012
Question
The midpoint of the domain of the function for real x is –
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 68
» Statistics and Probability » Probability of an Event
Appeared in Year: 2012
Question
A purse contains 4 copper coins and 3 silver coins. A second purse contains 6 copper coins and 4 silver coins. A purse is chosen randomly and a coin is taken out of it. What is the probability that is a copper coin –
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
