Rational Numbers (IMO Mathematics Olympiad Class 8): Questions 48  55 of 66
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Question number: 48
» Rational Numbers
Question
The value of for which the two rational numbers , are equivalent, is_.
Choices
Choice (4)  Response  

a.  13 

b.  30 

c.  5 

d.  31 

Question number: 49
» Rational Numbers
Question
A rational number between and is
Choices
Choice (4)  Response  

a.  0.45 

b.  0.49 

c.  0.34 

d.  All a. , b. and c. are correct 

Question number: 50
» Rational Numbers
Question
The product of two rational numbers is 20. If one of the number is 12, find the other?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 51
» Rational Numbers
Question
What should be added to to get
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 52
» Rational Numbers
Question
The number which is divided by to get is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 53
» Rational Numbers
Question
Name the property of rational number illustrated by the given statement.
Choices
Choice (4)  Response  

a.  Distributive 

b.  Associativity 

c.  commutative 

d.  All of the above 

Question number: 54
» Rational Numbers
Question
Simplify:
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 55
» Rational Numbers
Question
Which of the following statement is false?
Choices
Choice (4)  Response  

a.  The product of two positive rational number is always positive 

b.  The product of a two negative rational number is positive 

c.  Zero has not a reciprocal 

d.  Real number is a rational number 
