Mental Ability (NCO Cyber Olympiad Class 9): Questions 66  72 of 219
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Question number: 66
» Mental Ability » Basic Algebra
Question
One of the factors of the expression is
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 67
» Mental Ability » Basic Algebra
Question
If and , then
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 68
» Mental Ability » Basic Algebra
Question
and , then
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 69
» Mental Ability » Number Games » Number Analogies
Question
BOOK = 43 and PEN = 35, COPY=?
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Choice (4)  Response  

a.  79 

b.  48 

c.  59 

d.  60 

Question number: 70
» Mental Ability » Basic Algebra
Question
then equals
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Choice (4)  Response  

a. 


b. 


c.  194 

d.  180 

Question number: 71
» Mental Ability » Basic Arithmetic
Question
A shepherd had 17 sheep. All but nine died. How many was he left with?
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Choice (4)  Response  

a.  8 

b.  17 

c.  9 

d.  None of the above 

Question number: 72
» Mental Ability » Basic Geometry
Question
Triangle XZY is formed by three tangents to circle C and ; then angle ZCY equals
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Choice (4)  Response  

a. 


b. 


c. 


d. 

