Number System (IMO Mathematics Olympiad Class 7): Questions 45  51 of 81
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Question number: 45
» Number System
Question
The value of is________.
Choices
Choice (4)  Response  

a.  40 

b.  10 

c.  30 

d.  20 

Question number: 46
» Number System
Question
Every positive integer is ________ zero.
Choices
Choice (4)  Response  

a.  Greater than 

b.  Greater than or equal 

c.  Less than or equal 

d.  Less than 

Question number: 47
» Number System
Question
The sign of the product of two like integers is________.
Choices
Choice (4)  Response  

a.  Cannot be determined 

b.  Negative 

c.  Positive 

d.  Positive or Negative 

Question number: 48
» Number System
Question
If p: every fraction is a rational number and q: every rational number is a fraction, then which of the following statements is/are correct?
Choices
Choice (4)  Response  

a.  p is false and q is true 

b.  p is true and q is false 

c.  p and q are false 

d.  p and q are true 

Question number: 49
» Number System
Question
The value of X in , is________.
Choices
Choice (4)  Response  

a. 


b.  4 

c.  2 

d. 


Question number: 50
» Number System
Question
The value of such that and are equivalent rational numbers is________.
Choices
Choice (4)  Response  

a. 


b.  3 

c. 


d. 


Question number: 51
» Number System
Question
The value of , where .  is absolute value of an integer is________.
Choices
Choice (4)  Response  

a.  0 

b.  2 

c.  1 

d.  3 
