Mental AbilityBasic Arithmetic (NCO Cyber Olympiad (SOF) Class 6): Questions 82  88 of 268
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Question number: 82
» Mental Ability » Basic Arithmetic
Question
A bike can travels at 55 kmph and another at 45 kmph. Ratio of their speeds is
Choices
Choice (4)  Response  

a.  10: 3 

b.  11: 9 

c.  9: 11 

d.  3: 10 

Question number: 83
» Mental Ability » Basic Arithmetic
Question
By how much must 15 be decreased so that it bears same ratio to 9 as 20 to 15?
Choices
Choice (4)  Response  

a.  5 

b.  4 

c.  3 

d.  1 

Question number: 84
» Mental Ability » Basic Arithmetic
Question
A cloth merchant bought 20 sarees at the rate of Rs. 250 per sarees. If he sold them for Rs. 4800, his loss will be
Choices
Choice (4)  Response  

a.  20 Rs. 

b.  200 Rs. 

c.  1000 Rs. 

d.  2000 Rs. 

Question number: 85
» Mental Ability » Basic Arithmetic
Question
40 % of 75 % of 80 %=?
Choices
Choice (4)  Response  

a.  24 % 

b.  44 % 

c.  54 % 

d.  50 % 

Question number: 86
» Mental Ability » Basic Arithmetic
Question
Choices
Choice (4)  Response  

a.  2.525 

b.  1.2525 

c.  0.125 

d.  12.525 

Question number: 87
» Mental Ability » Basic Arithmetic
Question
One bus travels at 3000 and another at 60 . Ratio of their speeds is
Choices
Choice (4)  Response  

a.  3: 1 

b.  1: 3 

c.  4: 2 

d.  2: 4 

Question number: 88
» Mental Ability » Basic Arithmetic
Question
If stands for ‘division’, stands for ‘equal to’, stands for ‘addition’, stands for ‘greater than’, stands for ‘less than’, stands for ‘multiplication’ and stands for ‘subtraction’, then which of the following alternative is correct?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

