NCO Cyber Olympiad (SOF) Class 8: Questions 109  113 of 510
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Question number: 109
» Mental Ability » Basic Arithmetic
Question
If stands for ‘addition’, stands for ‘subtraction’, stands for ‘division’, stands for ‘multiplication’, stands for ‘equal to’, stands for ‘greater than’ and stands for ‘less than’, then which of the following alternative is correct?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 110
» Mental Ability » Number Games
Question
The difference between the compound interest and the simple interest on a certain sum at 10 % per annum for 2 years is Rs. 320. Find the sum.
Choices
Choice (4)  Response  

a.  32000 Rs. 

b.  16000 Rs. 

c.  3200 Rs. 

d.  6400 Rs. 

Question number: 111
» Mental Ability » Basic Arithmetic
Question
The monthly salaries of A, B, C are in the proportion 2: 3: 5. If C’s monthly salary is Rs. 2400 more than that of A, then B’s annual salary is
Choices
Choice (4)  Response  

a.  Rs. 1200 

b.  Rs. 28000 

c.  Rs. 28800 

d.  Rs. 2400 

Question number: 112
» Mental Ability » Basic Arithmetic
Question
A factory requires 20 machines to produce a given number of articles in 32 days. How many machines would be required to produce the same number of articles in 20 days?
Choices
Choice (4)  Response  

a.  32 

b.  52 

c.  64 

d.  40 

Question number: 113
» Mental Ability » Basic Arithmetic
Question
If stands for ‘addition’, stands for ‘subtraction’, stands for ‘division’, stands for ‘multiplication’, stands for ‘equal to’, stands for ‘greater than’ and stands for ‘less than’, then which of the following alternative is correct?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

