NCO Cyber Olympiad (SOF) Class 6: Questions 22  29 of 722
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Question number: 22
» Mental Ability » Basic Geometry
Question
How many lines can be drawn to pass through three points which are not in a line?
Choices
Choice (4)  Response  

a.  No line 

b.  Two 

c.  One 

d.  three 

Question number: 23
» Computers » Input & Output Devices
Question
A monitor looks like a TV set but it does not ________.
Choices
Choice (4)  Response  

a.  Give a clear picture 

b.  Receive TV signals 

c.  Give a steady picture 

d.  Display Graphics 

Question number: 24
» Computers » Memory & Storage
Question
Which of the following is a secondary memory device?
Choices
Choice (4)  Response  

a.  Keyboard 

b.  ALU 

c.  Hard drives 

d.  None of the above 

Question number: 25
» Mental Ability » Basic Algebra
Question
What must be added to to make it ?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 26
» Mental Ability » Basic Arithmetic
Question
L. C. M. of 81 and 54 is ________.
Choices
Choice (4)  Response  

a.  162 

b.  27 

c.  81 

d.  54 

Question number: 27
» Mental Ability » Basic Arithmetic
Question
Find the prime number from given numbers.
Choices
Choice (4)  Response  

a.  27 

b.  39 

c.  69 

d.  23 

Question number: 28
» Mental Ability » Basic Arithmetic
Question
A basket contains 300 mangoes. 75 mangos were distributed among students. The percentage of mangoes left in the basket is ________.
Choices
Choice (4)  Response  

a.  75% 

b.  25% 

c.  30% 

d.  50% 

Question number: 29
» Non Verbal Reasoning » Cubes and Dices
Question
If the sum of black dots on the opposite faces of a dice is always 7, then which one of the following figure is correct?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
