Mental AbilityBasic Arithmetic (NCO Cyber Olympiad Class 7): Questions 16  24 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: 16
» Mental Ability » Basic Arithmetic
Question
300 liters of milk is divided in two parts having ratio X: 15, if the first part is 100 liters, find x.
Choices
Choice (4)  Response  

a.  5.3  
b.  48  
c.  7.5  
d.  50 
Question number: 17
» Mental Ability » Basic Arithmetic
Question
A certain distance is covered at a certain speed. If half of this distance is covered in triple the time, the ratio of the two speeds is
Choices
Choice (4)  Response  

a.  6: 1  
b.  1: 2  
c.  1: 4  
d.  2: 1 
Question number: 18
» Mental Ability » Basic Arithmetic
Question
H. C. F of 42, 63 and 140 is ________?
Choices
Choice (4)  Response  

a.  7  
b.  42  
c.  21  
d.  9 
Question number: 19
» Mental Ability » Basic Arithmetic
Question
In an examination, one should get 36 % of the maximum marks to pass. A student obtains 113 marks and declared failed by 85 marks. The maximum marks are
Choices
Choice (4)  Response  

a.  640  
b.  500  
c.  550  
d.  1008 
Question number: 20
» Mental Ability » Basic Arithmetic
Question
Which of the following is in ascending order?
Choices
Choice (4)  Response  

a.  , ,  
b.  , ,  
c.  , ,  
d.  All of the above 
Question number: 21
» Mental Ability » Basic Arithmetic
Question
A number divided by 2 is 5 less than that number, what is the number?
Choices
Choice (4)  Response  

a.  10  
b.  5  
c.  2  
d.  15 
Question number: 22
» Mental Ability » Basic Arithmetic
Question
If = 32, then n=?
Choices
Choice (4)  Response  

a.  4  
b.  5  
c.  8  
d.  2 
Question number: 23
» Mental Ability » Basic Arithmetic
Question
If ( ) = ( ), then =?
Choices
Choice (4)  Response  

a.  0  
b.  4  
c. 
 
d. 

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 