NCO Cyber Olympiad Class 6: Questions 1  8 of 722
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Question number: 1
» Mental Ability » Basic Arithmetic
Question
What is the least common factor (LCM) of 8 and 10?
Choices
Choice (4)  Response  

a.  40 

b.  24 

c.  80 

d.  16 

Question number: 2
» Mental Ability » Basic Arithmetic
Question
What is the least common factor (LCM) of 14 and 21?
Choices
Choice (4)  Response  

a.  45 

b.  21 

c.  70 

d.  42 

Question number: 3
» Mental Ability » Basic Arithmetic
Question
What is the least common factor (LCM) of 45 and 35?
Choices
Choice (4)  Response  

a.  90 

b.  54 

c.  30 

d.  45 

Question number: 4
» Computers » History and Generation of Computers
Question
In the period 1956  1965, which generation of computer was developed?
Choices
Choice (4)  Response  

a.  Third generation 

b.  Fourth generation 

c.  Second generation 

d.  First generation 

Question number: 5
» Mental Ability » Number Games » Number Series
Question
In the given series find the number in place of? .
23, 19, ? , 12, 9
Choices
Choice (4)  Response  

a.  15 

b.  17 

c.  16 

d.  14 

Question number: 6
» Mental Ability » Basic Arithmetic
Question
John charged Rs. 15.75 for each birdhouse he built. If the material costs Rs. 10.25 Per house, how much profit could he earn after selling five houses?
Choices
Choice (4)  Response  

a.  Rs. 78.75 

b.  Rs. 27.50 

c.  Rs. 51.25 

d.  Rs. 25.50 

Question number: 7
» Mental Ability » Basic Arithmetic
Question
The number that should replace the triangle so that the following forms a proportion is________.
12, 21, 8, ∆
Choices
Choice (4)  Response  

a.  16 

b.  14 

c.  18 

d.  20 

Question number: 8
» Mental Ability » Basic Arithmetic
Question
A number is divisible by 5 if, ________.
Choices
Choice (4)  Response  

a.  The last digit is 5 or 0 

b.  The sum of the digits is divisible by 5 

c.  The sum of the digits is divisible by 10 

d.  Question does not provide sufficient data or is vague 
