Mental AbilityBasic Arithmetic (NCO Cyber Olympiad (SOF) Class 5): Questions 77  82 of 147
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Question number: 77
» Mental Ability » Basic Arithmetic
Question
Find the odd number out.
Choices
Choice (4)  Response  

a.  11 

b.  99 

c.  121 

d.  111 

Question number: 78
» Mental Ability » Basic Arithmetic
Question
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  1 

Question number: 79
» Mental Ability » Basic Arithmetic
Question
The given table shows the number of phone calls a radio station received each week for the last month.
WEEKLY PHONE CALLS
Week  Number of calls Received 
1  6289 
2  7800 
3  4300 
4  7750 
Which is the best estimate of the total number of calls received in the fourweek period?
Choices
Choice (4)  Response  

a.  15,000 

b.  25,000 

c.  26,000 

d.  30,000 

Question number: 80
» Mental Ability » Basic Arithmetic
Question
What will be the vulgar fraction of 0.75
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 81
» Mental Ability » Basic Arithmetic
Question
The scale drawing for a new clubhouse is drawn so that . If the scale drawing of the clubhouse is drawn with an area of 100 square cm, what will be the area of the actual clubhouse?
Choices
Choice (4)  Response  

a.  10 metres 

b.  10 square metres 

c.  1 square metre 

d.  100 square metres 

Question number: 82
» Mental Ability » Basic Arithmetic
Question
The diagram shows the cow at the farm. Estimate the area that is covered by cow in the farm. Area of each square of the grid is equal to 150 square feet.
Choices
Choice (4)  Response  

a.  2200 square feet 

b.  2000 square feet 

c.  1550 square feet 

d.  1050 square feet 
