Mental Ability (NCO Cyber Olympiad Class 6): Questions 147  151 of 394
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Question number: 147
» Mental Ability » Basic Arithmetic
Question
when expressed as a percentage of , is ________.Choices
Choice (4)  Response  

a.  60% 

b.  26% 

c.  50% 

d.  27.78% 

Question number: 148
» Mental Ability » Basic Arithmetic
Question
If stands for ‘division’, stands for ‘equal to’, stands for ‘addition’, stands for ‘greater than’, stands for ‘less than’, stands for ‘multiplication’ and stands for ‘subtraction’, then which of the following alternative is correct?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

Question number: 149
» Mental Ability » Basic Arithmetic
Question
A car is stand in went direction then driven 12km towards east. Then it turned in south and driven further 15 km, then it turned in west direction and driven 11km and then turned in north and driven further 15 km. How far is car from its starting point?
Choices
Choice (4)  Response  

a.  2 km 

b.  1 km 

c.  3 km 

d.  5 km 

Question number: 150
» Mental Ability » Basic Arithmetic
Question
A seller has 35 note books each of Rs. 50. If he sold them for Rs. 2000, he will get how much loss or profit?
Choices
Choice (4)  Response  

a.  150 Rs. Profit 

b.  250 Rs. Profit 

c.  300 Rs. Loss 

d.  200 Rs. Loss 

Question number: 151
» Mental Ability » Basic Arithmetic
Question
The addition of two irrational numbers________.
Choices
Choice (4)  Response  

a.  An integer 

b.  Is always irrational 

c.  May be rational in some cases and irrational in some other cases 

d.  Is always rational 
