Mental AbilityBasic Arithmetic (NCO Cyber Olympiad Class 6): Questions 208  212 of 268
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Question number: 208
» Mental Ability » Basic Arithmetic
Question
Which of the following shows the prime factorization of 84?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 209
» Mental Ability » Basic Arithmetic
Question
Mahi’s heart rate is 72 beats per minute. Then her heart rate is about how many beats in a hour?
Choices
Choice (4)  Response  

a.  4320 bph 

b.  2350 bph 

c.  2160 bph 

d.  4860 bph 

Question number: 210
» Mental Ability » Basic Arithmetic
Question
Shusanth was trying to add . He followed the steps shown in below table. Where did he make a mistake?
 
Step 1 

Step 2 

Step 3 

Step 4 

Choices
Choice (4)  Response  

a.  Step 1 

b.  Step 4 

c.  Step 2 

d.  Step 3 

Question number: 211
» Mental Ability » Basic Arithmetic
Question
Anil painted of a wall the first day and of the wall the second day. How much of the wall is remained to paint?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 212
» Mental Ability » Basic Arithmetic
Question
Harsh was trying to multiply . He followed the steps shown in below table. Where did he make a mistake?
 
Step 1 

Step 2 

Step 3 

Choices
Choice (4)  Response  

a.  Step 1 

b.  Step 2 

c.  Step 3 

d.  Step 4 
