Mental AbilityBasic Algebra (NCO Cyber Olympiad (SOF) Class 9): Questions 77  81 of 101
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Question number: 77
» Mental Ability » Basic Algebra
Question
Which expression describes the area in square units of a rectangle that has a width of and a length of?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 78
» Mental Ability » Basic Algebra
Question
Which expression describes the area in square units of a rectangle that has a width of and a length of?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 79
» Mental Ability » Basic Algebra
Appeared in Year: 2011
Question
Which of the following could be the graph of where ?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 

Question number: 80
» Mental Ability » Basic Algebra
Appeared in Year: 2011
Question
Sandy has the following scores on her science tests
If she wants to increase her current test mean by at least 1 point, what is the minimum score she must make on her next test?
Choices
Choice (4)  Response  

a.  89 

b.  90 

c.  95 

d.  92 

Question number: 81
» Mental Ability » Basic Algebra
Question
If , find the value of .
Choices
Choice (4)  Response  

a.  445 

b.  488 

c.  250 

d.  446 
