IMO Mathematics Olympiad Class 7: Questions 75  81 of 1012
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Question number: 75
Question
A rational number
Choices
Choice (4)  Response  

a.  Cannot be determined on which side the number lies 

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

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

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

Question number: 76
Question
The product of two rational numbers is . If one of the numbers is , then the other number is________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 77
Question
What will be the sign of the product if we together multiply 101 negative integers and 11 positive integers?
Choices
Choice (4)  Response  

a.  Can’t say 

b.  Data is insufficient 

c.  Positive 

d.  Negative 

Question number: 78
Question
The difference of the sum of even numbers and sum of odd numbers between 20 and 30 is________.
Choices
Choice (4)  Response  

a.  13 

b.  26 

c.  24 

d.  25 

Question number: 79
Question
In each packet there are total 21 pencils, then how many pencils will there be in 5 packets?
Choices
Choice (4)  Response  

a.  30 

b.  100 

c.  105 

d.  300 

Question number: 80
Question
Which of the following number is not an integer number?
Choices
Choice (4)  Response  

a. 


b. 


c.  0 

d.  2 

Question number: 81
Question
What fraction of the figure is shaded?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

