Number System (IMO Mathematics Olympiad Class 7): Questions 57  62 of 81
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Question number: 57
» Number System
Question
Which of the following statement is true?
Choices
Choice (4)  Response  

a.  The product of a negative and a positive integer may be zero  
b.  The product of two positive integers is positive  
c.  For all nonzero integers a and b, is always greater than either a or b  
d.  All of the above 
Question number: 58
» Number System
Question
A rational number
Choices
Choice (4)  Response  

a.  Lies to the right side of 0 on the number line  
b.  Lies to the left side of 0 on the number line  
c.  Cannot be determined on which side the number lies  
d.  It is not possible to represent on the number line 
Question number: 59
» Number System
Question
Every negative integer is ________ zero.
Choices
Choice (4)  Response  

a.  Greater than  
b.  Greater than or equal  
c.  Less than  
d.  Less than or equal 
Question number: 60
» Number System
Question
The value of X such that and are equivalent rational numbers is________.
Choices
Choice (4)  Response  

a.  9  
b. 
 
c.  64  
d. 

Question number: 61
» 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: 62
» Number System
Question
A gardener plans to plant 500 trees in 25 rows each containing the same number of trees, then how many trees will there be in each row?
Choices
Choice (4)  Response  

a.  3  
b.  30  
c.  20  
d.  300 