NCO Cyber Olympiad (SOF) Class 8: Questions 47  51 of 510
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Question number: 47
» Mental Ability » Basic Arithmetic
Question
A certain sum of simple interest becomes its three times in 30 years. In how many years will it becomes double?
Choices
Choice (4)  Response  

a.  20 years 

b.  5 years 

c.  60 years 

d.  15 years 

Question number: 48
» Mental Ability » Basic Arithmetic
Question
If 16 employees can complete 32 tasks in 8 days, how many tasks can 8 employees complete in 4 days?
Choices
Choice (4)  Response  

a.  16 

b.  8 

c.  12 

d.  14 

Question number: 49
» Mental Ability » Number Games » Number Analogies
Question
What least number must be subtracted from 136 to make it a perfect square?
Choices
Choice (4)  Response  

a.  15 

b.  8 

c.  21 

d.  7 

Question number: 50
» Mental Ability » Basic Geometry
Question
If the radius of a cone is increased by 80%, its volume is increased by
Choices
Choice (4)  Response  

a.  160% 

b.  40% 

c.  224% 

d.  112% 

Question number: 51
» Logical and Analytical Reasoning » Analogy and Classification
Question
Study the diagram given carefully and answer the question.
Employed engineers in town are represented by?
Choices
Choice (4)  Response  

a.  6 

b.  7 

c.  5 

d.  4 
