Mental Ability (NCO Cyber Olympiad Class 7): Questions 115  121 of 205
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Question number: 115
» Mental Ability » Basic Arithmetic
Question
The value of is
Choices
Choice (4)  Response  

a.  60 

b.  40 

c.  20 

d.  30 

Question number: 116
» Mental Ability » Basic Arithmetic
Question
Which is lowest in
Choices
Choice (4)  Response  

a. 


b.  0.9 

c. 


d.  All of the above 

Question number: 117
» Mental Ability » Basic Statistics
Question
Alphabet letter Z has
Choices
Choice (4)  Response  

a.  Line symmetry 

b.  Rotational symmetry 

c.  All of the above 

d.  None of the above 

Question number: 118
» Mental Ability » Number Games
Question
What is the sum of two consecutive even numbers, the difference of whose squares is 84?
Choices
Choice (4)  Response  

a.  62 

b.  34 

c.  38 

d.  46 

Question number: 119
» Mental Ability » Number Games
Question
Two cubes have volumes in the ratio 1: 64. Then the ratio of their sides is
Choices
Choice (4)  Response  

a.  1: 3 

b.  1: 18 

c.  1: 8 

d.  1: 4 

Question number: 120
» Mental Ability » Basic Arithmetic
Question
If the area of a triangle with base z is equal to the volume of a cube with edge z, then the altitude of the triangle is
Choices
Choice (4)  Response  

a.  z 

b.  3z 

c. 


d. 


Question number: 121
» Mental Ability » Basic Statistics
Question
Which diagram correctly illustrates the relationship between “Class, Bench, and Marker”?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
