Mental AbilityBasic Arithmetic (NCO Cyber Olympiad Class 7): Questions 24  32 of 122
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 416 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 300.00 or
Question number: 24
» Mental Ability » Basic Arithmetic
Question
The average of 5 results is 46 and that of the first four is 45. The fifth result is ________.
Choices
Choice (4)  Response  

a.  12.5 

b.  10 

c.  1 

d.  50 

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. 

