Mental Ability (NCO Cyber Olympiad Class 5): Questions 189  195 of 257
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Question number: 189
» Mental Ability » Basic Geometry
Question
The side of square increased from 5 cm to 10 cm. How much did the area of the square increase?
Choices
Choice (4)  Response  

a.  36 

b.  75 

c.  25 

d.  65 

Question number: 190
» Mental Ability » Basic Arithmetic
Question
A boy buys chocolates 10 for 1.80 Rs. and sells 11 chocolates for 2 Rs. What is his gain or loss per cent?
Choices
Choice (4)  Response  

a.  1.01% 

b.  1% 

c.  2% 

d.  Question does not provide sufficient data or is vague 

Question number: 191
» Mental Ability » Basic Arithmetic
Question
How many students attended class of English?
Subject name  Number of Student 
English  200 
Mathematics  150 
Economy  100 
Science  120 
Choices
Choice (4)  Response  

a.  150 

b.  100 

c.  200 

d.  120 

Question number: 192
» Mental Ability » Basic Arithmetic
Question
What number goes into the box to make the given statement is true?
=
Choices
Choice (4)  Response  

a.  5 

b.  1 

c.  2 

d.  8 

Question number: 193
» Mental Ability » Basic Arithmetic
Question
What is of ?
Choices
Choice (4)  Response  

a. 


b. 


c.  8 

d. 


Question number: 194
» Mental Ability » Basic Arithmetic
Question
Write as a mixed number.
Choices
Choice (4)  Response  

a. 


b.  4 

c. 


d. 


Question number: 195
» Mental Ability » Basic Geometry
Question
Each side of the triangle and the hexagon given here is about 2 centimeters long. Which is the best estimate of the number of triangles of 2 cm that will fit completely inside the hexagon?
Choices
Choice (4)  Response  

a.  4 

b.  10 

c.  8 

d.  6 
