Mental Ability (NCO Cyber Olympiad (SOF) Class 9): Questions 38  45 of 219
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Question number: 38
» Mental Ability » Number Games » Number Series
Question
8,6, 9,23,87, ________what number should come next?
Choices
Choice (4)  Response  

a.  226 

b.  128 

c.  345 

d.  429 

Question number: 39
» Mental Ability » Basic Algebra
Question
If , then b equals
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 40
» Mental Ability » Basic Arithmetic
Question
Ramila got married 7 years ago. Today her age is times her age at the time of marriage. Her son’s age is times her age. Her son’s age is________
Choices
Choice (4)  Response  

a.  2.8 years 

b.  5 years 

c.  4.1 years 

d.  3.3 years 

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. 
