NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 23  30 of 1484
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Question number: 23
Question
The sum of 2 rational and irrational number is always
Choices
Choice (4)  Response  

a.  Rational  
b.  Irrational  
c.  Question does not provide sufficient data or is vague  
d.  All of the above 
Question number: 24
Question
Set of natural numbers is a subset of
Choices
Choice (4)  Response  

a.  Set of even numbers  
b.  Set of composite numbers  
c.  Set of real numbers  
d.  Set of odd numbers 
Question number: 25
Question
Which of the following is not a rational number?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 26
Question
The value of is
Choices
Choice (4)  Response  

a.  2.23  
b.  1.72  
c.  1.41  
d.  2.59 
Question number: 27
Question
If X: Every fraction is a rational number and,
Y: Every rational number is a fraction,
Then which is the correct option?
Choices
Choice (4)  Response  

a.  X and Y true  
b.  X is false and Y is true  
c.  X and Y false  
d.  X is true and Y is false 
Question number: 28
Question
Representation of in a rational number form is,
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 29
Question
The product of two irrational number is
Choices
Choice (4)  Response  

a.  An irrational number  
b.  Either A or B  
c.  Rational number  
d.  All of the above 
Question number: 30
Question
The irrational number between 2 and 3 is,
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
