Mental Ability (NCO Cyber Olympiad (SOF) Class 3): Questions 1  8 of 232
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Question number: 1
» Mental Ability » Basic Arithmetic
Question
Which has the same value as the number 551?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2
» Mental Ability » Basic Arithmetic
Question
Which has the same value as the number 982?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  90 + 80 + 20  
d. 

Question number: 3
» Mental Ability » Basic Arithmetic
Question
Which has the same value as the number 659?Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 4
» Mental Ability » Number Games » Number Series
Question
Complete the number series.
Choices
Choice (4)  Response  

a.  55  
b.  60  
c.  50  
d.  52 
Question number: 5
» Mental Ability » Basic Arithmetic
Question
Kavita has 50 fishes in a small pond. She transfers 12 fishes into a fish tank. Which expression shows how many fishes are left in the pond?
Choices
Choice (4)  Response  

a.  12  5  
b.  50  12  
c.  50 + 12  
d. 

Question number: 6
» Mental Ability » Basic Arithmetic
Question
Urvisha has 65 turtles in a big pond. She transfers 15 turtles into a tank. Which expression shows how many turtles are left in the pond?
Choices
Choice (4)  Response  

a.  65  15  
b. 
 
c. 
 
d. 

Question number: 7
» Mental Ability » Basic Arithmetic
Question
Sonika made a bouquet of roses for her sister. She used 15 yellow roses, 5 white roses and 6 red roses. How many flowers did she use in the bouquet?
Choices
Choice (4)  Response  

a.  21  
b.  26  
c.  11  
d.  15 
Question number: 8
» Mental Ability » Basic Geometry
Question
Which of the following represents shaded region?
Choices
Choice (4)  Response  

a.  
b.  
c.  
d. 