MathematicsNumber Systems (NSTSE (National Science Talent Search Exam Unified Council) Class 9): Questions 1  7 of 133
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Question number: 1
» Mathematics » Number Systems
Question
The average of the middle two rational numbers if are arranged in ascending order is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 2
» Mathematics » Number Systems
Question
The product of two rational numbers is . If one of the number is , then the other number is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 3
» Mathematics » Number Systems
Question
The greatest among is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 

Question number: 4
» Mathematics » Number Systems
Question
If both ‘a’ and ‘b’ are rational numbers then ‘a’ and ‘b’ from the following are
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 5
» Mathematics » Number Systems
Question
If x: Every fraction is a rational number and y: Every rational number is a fraction, then which of the following is correct?
Choices
Choice (4)  Response  

a.  x is True and y is False 

b.  x is False and y is True 

c.  Question does not provide sufficient data or is vague 

d.  None of the above 

Question number: 6
» Mathematics » Number Systems
Question
Which of the following is not a rational number?
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 7
» Mathematics » Number Systems
Question
Which of the following statement is false?
Choices
Choice (4)  Response  

a.  Every fraction is a rational number 

b.  Every rational number is a fraction 

c.  Every integer is a rational number 

d.  All of the above 
