Mental Ability (NCO Cyber Olympiad Class 5): Questions 187  192 of 257
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Question number: 187
» Mental Ability » Basic Arithmetic
Question
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 188
» Mental Ability » Basic Arithmetic
Question
Mr. Kumar and his wife is 30 year old. The ages of Mr. Kumar, his wife and their son add up to 70. Which equation could be used to determine
How old his son is if n = his son’s age?
Choices
Choice (4)  Response  

a.  30 + 30 + 70 = n 

b.  30 + 30 + n =70 

c.  30 + n+70 = 30 

d.  All of the above 

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 
