NCO Cyber Olympiad (SOF) Class 8: Questions 449  451 of 510
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Question number: 449
» Mental Ability » Basic Geometry
Question
Look at the line segment AB. What is the sum of measures of and ?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 450
» Computers » Memory & Storage Devices
Appeared in Year: 2010
Question
How many keys does the standard Windows US keyboard with numpad have?
Choices
Choice (4)  Response  

a.  74  
b.  84  
c.  94  
d.  104 
Question number: 451
» Mental Ability » Basic Arithmetic
Question
Mrs. Elina wants the students in her class to read a total of 100 books by the end of the session. Students fill in a square in this grid for each book they read. What percent of their goal they have achieved?
Choices
Choice (4)  Response  

a.  39%  
b.  61%  
c.  0.39%  
d.  3.9% 