Number System (IMO Mathematics Olympiad Class 7): Questions 63  69 of 81
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Question number: 63
» Number System
Question
The value of A in , is________.
Choices
Choice (4)  Response  

a.  10 

b. 


c.  0 

d.  20 

Question number: 64
» Number System
Question
The value of Y in , is________.
Choices
Choice (4)  Response  

a. 


b.  4 

c. 


d.  2 

Question number: 65
» Number System
Question
Simplify
Choices
Choice (4)  Response  

a.  108 

b.  190 

c.  120 

d.  102 

Question number: 66
» Number System
Question
A rational number
Choices
Choice (4)  Response  

a.  Lies to the left side of 0 on the number line 

b.  Lies to the right side of 0 on the number line 

c.  It is not possible to represent on the number line 

d.  Cannot be determined on which side the number lies 

Question number: 67
» Number System
Question
A fraction can be expressed as a terminating decimal if y has no prime factors other than ________.
Choices
Choice (4)  Response  

a.  2, 3 

b.  3, 5 

c.  2, 3, 5 

d.  2, 5 

Question number: 68
» Number System
Question
A rational number
Choices
Choice (4)  Response  

a.  It is not possible to represent on the number line 

b.  Lies to the right side of 0 on the number line 

c.  Lies to the left side of 0 on the number line 

d.  Cannot be determined on which side the number lies 

Question number: 69
» Number System
Question
Which of the following statements is correct?
Choices
Choice (4)  Response  

a.  All natural numbers are whole numbers, all whole numbers are integers 

b.  All integers are whole numbers, all natural numbers are integers 

c.  All whole numbers are integers, all integers are natural numbers 

d.  All integers are whole numbers, all integers are natural numbers 
