Mental AbilityBasic Arithmetic (NCO Cyber Olympiad (SOF) Class 7): Questions 16  24 of 122
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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 
