Mental AbilityBasic Arithmetic (NCO Cyber Olympiad (SOF) Class 6): Questions 196  203 of 268
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Question number: 196
» Mental Ability » Basic Arithmetic
Question
For a science project, 30 scientific instruments were shared equally among 6 students. Which expression shows how to find the number of instruments given to each student?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 197
» Mental Ability » Basic Arithmetic
Question
If x = 3 and y = 7, then
Choices
Choice (4)  Response  

a.  4 

b.  1 

c.   4 

d.  3 

Question number: 198
» Mental Ability » Basic Arithmetic
Question
In a morning walk, three ladies step off together from 50 m distance from their houses. Their steps measure 70 cm, 75 cm, 80 cm respectively. At what distance from the starting point will they step off together again?
Choices
Choice (4)  Response  

a.  8630 m 

b.  8400 m 

c.  5690 m 

d.  84 m 

Question number: 199
» Mental Ability » Basic Arithmetic
Question
If k = 8 and l = 16, then
Choices
Choice (4)  Response  

a. 


b. 


c.  36 

d.  18 

Question number: 200
» Mental Ability » Basic Arithmetic
Question
The greatest common factor of 8,12 and 20 is
Choices
Choice (4)  Response  

a.  4 

b.  6 

c.  8 

d.  16 

Question number: 201
» Mental Ability » Basic Arithmetic
Question
Which of the following is the prime factorization of 50?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 202
» Mental Ability » Basic Arithmetic
Question
shows the prime factorization of which number?
Choices
Choice (4)  Response  

a.  115 

b.  132 

c.  312 

d.  231 

Question number: 203
» Mental Ability » Basic Arithmetic
Question
Aarti was trying to subtract . She followed the steps shown in below table. Where did she make a mistake?
 
Step 1 

Step 2 

Step 3 

Step 4 

Choices
Choice (4)  Response  

a.  Step 2 

b.  Step 3 

c.  Step 4 

d.  Step 1 
