Mental AbilityBasic Arithmetic (NCO Cyber Olympiad Class 7): Questions 25  33 of 122
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Question number: 25
» Mental Ability » Basic Arithmetic
Question
Sakshi can do a piece of work in 10 days. Tanya is 15 % more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:
Choices
Choice (4)  Response  

a.  15  
b.  18  
c.  8.5  
d.  25 
Question number: 26
» Mental Ability » Basic Arithmetic
Question
Three friends divide rupees 624 among themselves in the ratio . The share of the third friend is________.
Choices
Choice (4)  Response  

a.  Rs. 192  
b.  Rs. 288  
c.  Rs. 144  
d.  Rs. 148 
Question number: 27
» Mental Ability » Basic Arithmetic
Question
If = 81, then n=?
Choices
Choice (4)  Response  

a.  4  
b.  8  
c.  2  
d.  6 
Question number: 28
» Mental Ability » Basic Arithmetic
Question
9 % expressed as a fraction is ________?
Choices
Choice (4)  Response  

a. 
 
b.  4  
c. 
 
d.  10 
Question number: 29
» Mental Ability » Basic Arithmetic
Question
A number divided by 3 is 7 less than that number, what is the number?
Choices
Choice (4)  Response  

a.  10.5  
b.  15  
c.  25  
d.  20 
Question number: 30
» Mental Ability » Basic Arithmetic
Question
If ( ) = ( ), then ( ) =?
Choices
Choice (4)  Response  

a.  3  
b.  1  
c.  5  
d.  4 
Question number: 31
» Mental Ability » Basic Arithmetic
Question
8 % expressed as a fraction is ________?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 32
» Mental Ability » Basic Arithmetic
Question
7 % expressed as a fraction is ________?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  10  
d. 

Question number: 33
» Mental Ability » Basic Arithmetic
Question
Which of the following is in descending order?
Choices
Choice (4)  Response  

a. 
 
b.  , ,  
c.  , ,  
d.  None of the above 