NCO Cyber Olympiad (SOF) Class 10: Questions 120  122 of 461
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Question number: 120
» Mental Ability » Basic Geometry
Question
Given the symmetric shape below with a known perimeter of 77, then the area of the shape is (approx. )
Choices
Choice (4)  Response  

a.  231  
b.  312  
c.  248  
d.  292 
Question number: 121
» Mental Ability » Basic Arithmetic
Question
If stands for ‘addition’, stands for ‘subtraction’, stands for ‘division’, stands for ‘multiplication’, stands for ‘equal to’, stands for ‘greater than’ and stands for ‘less than’, then which of the following alternative is correct?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 122
» Mental Ability » Basic Geometry
Question
The ratio of radii of two cylinders is and heights are in the ratio 7: 6. The ratio of volumes is
Choices
Choice (4)  Response  

a.  1: 2  
b.  3: 2  
c.  7: 2  
d.  2: 3 