Mental Ability (NCO Cyber Olympiad (SOF) Class 7): Questions 64  67 of 205
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Question number: 64
» Mental Ability » Basic Arithmetic
Question
If the area of a triangle with base is equal to the surface area of a cube with length of edge , and then the altitude of the triangle is
Choices
Choice (4)  Response  

a. 


b.  a 

c. 


d. 


Question number: 65
» Mental Ability » Basic Arithmetic
Question
The ratio of the number of boys and girls in a college is 8: 9. If the percentage increase in the number of boys and girls were 20 % and 10 % respectively, what will be the new ratio?
Choices
Choice (4)  Response  

a.  96: 99 

b.  23: 24 

c.  8: 9 

d.  17: 18 

Question number: 66
» Mental Ability » Basic Statistics
Question
Which diagram correctly illustrates the relationship between “Garden, Tree, and House”?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 67
» Mental Ability » Number Games
Question
A man has Rs. 380 in the denominations of 1rupee notes, 2rupee notes, 5rupee notes and 10rupee notes, 20rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has?
Choices
Choice (4)  Response  

a.  75 

b.  48 

c.  50 

d.  66 
