NCO Cyber Olympiad (SOF) Class 6: Questions 506  511 of 722
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Question number: 506
» Mental Ability » Basic Arithmetic
Question
A house is painted of its whole part at the first day and painted at the second day. If painter takes 30 days to paint whole house, then how much of the house is remained to paint and time for it?
Choices
Choice (4)  Response  

a.  and 3 days  
b.  and 3.65 days  
c.  and 2.14 days  
d.  and 2.14 days 
Question number: 507
» Mental Ability » Basic Arithmetic
Question
In a class of 60 students, teacher brought some chocolates for students. Chocolates finished after sharing in half class. Then for chocolate to be completed among whole class which of the following expression is correct?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 508
» Mental Ability » Basic Arithmetic
Question
In an evening walk four boys step off together. Their steps measure 55 cm, 60 cm, 65 cm, 70 cm respectively. At what distance from the starting point will they step off together again?
Choices
Choice (4)  Response  

a.  12012 m  
b.  600.60 m  
c.  12120 m  
d.  6600 m 
Question number: 509
» Mental Ability » Basic Arithmetic
Question
The greatest common factor of 9,18 and 27 is
Choices
Choice (4)  Response  

a.  3  
b.  9  
c.  27  
d.  36 