Mental Ability (NCO Cyber Olympiad Class 7): Questions 5  9 of 205
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Question number: 5
» Mental Ability » Basic Arithmetic
Question
A man sold a radio for Rs. 1800 and gained 15%. The radio was bought for
Choices
Choice (4)  Response  

a.  Rs. 1782 

b.  Rs. 1530 

c.  Rs. 1565.21 

d.  Rs. 2000 

Question number: 6
» Mental Ability » Basic Statistics
Question
Create the correct diagram for: Student, Children, Animal
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 7
» Mental Ability » Basic Arithmetic
Question
600 liters of milk is divided in two parts having ratio X: 35, if the first part is 400 liters, find x.
Choices
Choice (4)  Response  

a.  50 

b.  70 

c.  55 

d.  57 

Question number: 8
» Mental Ability » Basic Statistics
Question
Two number are in the ratio 4: 6. If 9 is subtracted from each, the new numbers are in the ratio 13: 15. The smaller number is________.
Choices
Choice (4)  Response  

a.  8 

b.  6 

c.  3 

d.  4 

Question number: 9
» Mental Ability » Basic Arithmetic
Question
Find three numbers in the ratio 2: 3: 5 such that the sum of their squares is 608.
Choices
Choice (4)  Response  

a.  8: 12: 20 

b.  6: 9: 15 

c.  16: 24: 40 

d.  Question does not provide sufficient data or is vague 
