Mental AbilityBasic Algebra (NCO Cyber Olympiad Class 9): Questions 76  80 of 101
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Question number: 76
» Mental Ability » Basic Algebra
Appeared in Year: 2011
Question
An article was sold for Rs. 144. If the percentage of profit was numerically equal to the cost price, the cost of the article was ________
Choices
Choice (4)  Response  

a.  Rs. 100 

b.  Rs. 72 

c.  Rs. 80 

d.  Rs. 90 

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 
