Mental Ability (NCO Cyber Olympiad Class 7): Questions 27  31 of 205
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Question number: 27
» Mental Ability » Basic Arithmetic
Question
If () = (), then =?
Choices
Choice (4)  Response  

a.  6 

b.  8 

c.  5 

d.  3 

Question number: 28
» 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: 29
» 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: 30
» Mental Ability » Basic Statistics
Question
What is the correct diagram for: School, student, teacher
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 31
» 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 
