Rational Numbers (IMO Mathematics Olympiad (SOF) Class 8): Questions 61  66 of 66
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Question number: 61
» Rational Numbers
Question
Simplify,
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  1 

Question number: 62
» Rational Numbers
Question
A hoop is resting vertically at staircase as shown in the diagram. AB = 12 cm and BC = 6 cm. The radius of the hoop is________.
Choices
Choice (4)  Response  

a.  11 cm 

b.  10 cm 

c.  15 cm 

d.  12 cm 

Question number: 63
» Rational Numbers
Appeared in Year: 2012
Question
Which of the following expressions is true?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 64
» Rational Numbers
Question
Which of the following expressions is true?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Both b. and c. are correct 

Question number: 65
» Rational Numbers
Question
Which of the following is the property of the rational numbers?
Choices
Choice (4)  Response  

a.  Associative 

b.  Closure 

c.  Commutative 

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

Question number: 66
» Rational Numbers
Appeared in Year: 2012
Question
Closure property for rational numbers is satisfied in case of ________.
Choices
Choice (4)  Response  

a.  Subtraction 

b.  Addition 

c.  multiplication 

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