Mental AbilityBasic Arithmetic (NCO Cyber Olympiad Class 5): Questions 84  87 of 147
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Question number: 84
» Mental Ability » Basic Arithmetic
Question
The diagram shows the duck pond at the park. Estimate the area that is covered by the pond. Area of each square of the grid is equal to 100 square feet.
Choices
Choice (4)  Response  

a.  1000 square feet 

b.  1550 square feet 

c.  2000 square feet 

d.  2200 square feet 

Question number: 85
» Mental Ability » Basic Arithmetic
Question
Which two fractions are equivalent?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 86
» Mental Ability » Basic Arithmetic
Question
In ancient Greece, people used letters of their alphabet as numbers. A mark after a letter shown is being used as a number.
Letter  Name  Number 
 Alpha  1 
 Beta  2 
 Gamma  3 
 Delta  4 
 Epsilon  5 
 sigma  6 
 vartheta  7 
 Theta  8 
 MU  9 
According to this table, which of the following statements is true?
Choices
Choice (4)  Response  

a. 


b.  5 

c. 


d.  7 

Question number: 87
» Mental Ability » Basic Arithmetic
Question
= ________.
Choices
Choice (4)  Response  

a.  130 

b.  1310 

c.  131 

d.  131.0 
