Mental Ability (NCO Cyber Olympiad Class 9): Questions 41  45 of 219
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Question number: 41
» Mental Ability » Basic Algebra
Question
The factors of the expression are
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All a. , b. and c. are correct 
Question number: 42
» Mental Ability » Basic Arithmetic
Question
Three years ago the average age of P and Q was 16 years. With R joining them, the average becomes 20 years. How old is R now?
Choices
Choice (4)  Response  

a.  22 years  
b.  34 years  
c.  45 years  
d.  12 years 
Question number: 43
» Mental Ability » Basic Geometry
Question
Triangle PAB is formed by three tangents to circle O and ; then angle AOB equals
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 44
» Mental Ability » Number Games » Number Analogies
Question
OM = 28 and RIYA = 53, RITU=?
Choices
Choice (4)  Response  

a.  58  
b.  68  
c.  88  
d.  78 
Question number: 45
» Mental Ability » Basic Geometry
Question
The series of diagrams called PROBLEM FIGURES consists of figures in a particular sequence. You have to pick out the figure from the given options which should come at the end of problem figures.
Choices
Choice (4)  Response  

a.  
b.  
c.  
d. 