Mental Ability (NCO Cyber Olympiad Class 5): Questions 147  150 of 257
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Question number: 147
» 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.  2 

c. 


d.  70 

Question number: 148
» Mental Ability » Basic Arithmetic
Question
If then which of the following is true?
Choices
Choice (4)  Response  

a.  6 2 5 

b.  6 2 9 

c.  8 1 9 

d.  7 3 5 

Question number: 149
» Mental Ability » Basic Arithmetic
Question
= ________.
Choices
Choice (4)  Response  

a.  4256 

b.  425 

c.  4.26 

d.  425.6 

Question number: 150
» Mental Ability » Basic Arithmetic
Question
The picture below shows what happened when different numbers were put in the same number machine
Which could be the rule used in this number machine?
Choices
Choice (4)  Response  

a.  Subtract 9 

b.  Add 5 

c.  Multiply by 3 then add 2 

d.  Multiply by 2 then add 1 
