Mental AbilityBasic Algebra (NCO Cyber Olympiad Class 7): Questions 1  4 of 11
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Question number: 1
» Mental Ability » Basic Algebra
Question
Statement 1: If x and y are any two rational numbers such that x < y, then is a rational number lying between x and y.
Statement 2: is a rational number that lies between and .
Is statement 2 an example for statement 1?
Choices
Choice (4)  Response  

a.  Yes  
b.  Information Incomplete  
c.  Can’t say  
d.  No 
Question number: 2
» Mental Ability » Basic Algebra
Question
If and are any two rational numbers then we define:
Thus, subtracting a rational number means adding its additive inverse.
Based on the statement given above solve the following problem: Subtract from .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 3
» Mental Ability » Basic Algebra
Question
If and be any two rational numbers then we define:
Thus, subtracting a rational number means adding its additive inverse. Based on the statement given above solve the following Problem: Subtract from .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 4
» Mental Ability » Basic Algebra
Question
If and be any two rational numbers then we define:
Thus, subtracting a rational number means adding its additive inverse. Based on the statement given above solve the following Problem: Subtract from .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
