IMO Level 2 Mathematics Olympiad (SOF) Class 9: Questions 1  4 of 48
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Question number: 1
» Analytical Reasoning and Logical Reasoning
Appeared in Year: 2013
Question
Choose the correct mirrorimage of the Fig. (X).
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2
» Linear Equations in Two Variables
Appeared in Year: 2013
Question
When 5 is added to the numerator and denominator both of a (positive) fraction, then the new ratio of numerator to denominator becomes . What is the original ratio?
Choices
Choice (4)  Response  

a. 


b. 


c.  Data inadequate 

d. 


Question number: 3
Appeared in Year: 2013
Question
A rationalizing factor of is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 4
Appeared in Year: 2013
Question
Sixteen years ago, Tanya’s grandfather was 8 times older to her. He would be 3 times of her age 8 years from now. eight years ago, what was the ratio of Tanya’s age to that of her grandfather?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 
