NCO Cyber Olympiad (SOF) Class 8: Questions 1  9 of 510
Access detailed explanations (illustrated with images and videos) to 510 questions. Access all new questions we will add tracking exampattern and syllabus changes. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.
Rs. 350.00 or
How to register?
Question number: 1
» Mental Ability » Basic Arithmetic
Question
If 12 workers can color 24 houses in 8 days, how many houses can 6 workers color in 4 days?
Choices
Choice (4)  Response  

a.  3  
b.  24  
c.  6  
d.  12 
Question number: 2
» Mental Ability » Basic Geometry
Question
The length of the minute hand on a wall clock is 21 cm. The area swept by the minute hand in 30 minutes is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 3
» Mental Ability » Basic Geometry
Question
The largest possible square is inscribed in a circle of unit radius. The area of the square in square units is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  2 
Question number: 4
» Mental Ability » Basic Geometry
Question
If the radius of a cone is increased by 50%, its volume is increased by
Choices
Choice (4)  Response  

a.  125%  
b.  50%  
c.  75%  
d.  150% 
Question number: 5
» Mental Ability » Basic Geometry
Question
The length of a rope by which a horse must be tethered to graze over an area of 1386 is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 6
» Mental Ability » Basic Statistics
Question
The value of is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 7
» Mental Ability » Basic Geometry
Question
The measure of an angle which is five times its complement is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 8
» Verbal Reasoning » CodingDecoding
Question
If ‘HELLO’ is coded as 10.4, how will you code ‘CLASS’?
Choices
Choice (4)  Response  

a.  11.8  
b.  15.2  
c.  9  
d.  10.8 
Question number: 9
» Mental Ability » Basic Geometry
Question
If the area of a triangle with base x is equal to area of a square of side x, the altitude of the triangle is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
