IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 41  48 of 1040
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Question number: 41
Question
Divide the sum of and by their difference.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 42
Question
If a = 3, then the value of is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 43
Question
The additive inverse of is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 44
Question
Name the property of multiplication of rational number illustrated by the given statement.
Choices
Choice (4)  Response  

a.  Associativity  
b.  commutative  
c.  Distributive  
d.  Question does not provide sufficient data or is vague 
Question number: 45
Question
What should be subtracted from to get ?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 46
Question
The sum of the additive inverse and multiplicative inverse of 3 is_.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 47
Question
Name the property of multiplication of rational numbers illustrated by the given statement.
Choices
Choice (4)  Response  

a.  Commutativity  
b.  Associativity of multiplication  
c.  Distributivity of multiplication over addition  
d.  Distrbutivity of addition over multiplication 
Question number: 48
Question
The value of for which the two rational numbers , are equivalent, is_.
Choices
Choice (4)  Response  

a.  13  
b.  30  
c.  31  
d.  5 