NCO Cyber Olympiad (SOF) Class 10: Questions 176  182 of 461
Access detailed explanations (illustrated with images and videos) to 461 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. 300.00 or
How to register?
Question number: 176
» Mental Ability » Basic Geometry
Question
The radii of two spheres are in the ratio 1: 5. Find the ratio of their volumes.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 177
» Mental Ability » Basic Algebra
Question
The sum of the squares of two consecutive even integers is 340. Find the integers.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 178
» Mental Ability » Basic Arithmetic
Question
30 liters of a mixture contains 20 % alcohol and the rest water. If 6 liters of water be mixed in it, the percentage of alcohol in the new mixture will be
Choices
Choice (4)  Response  

a.  17%  
b. 
 
c. 
 
d.  15% 
Question number: 179
» Mental Ability » Number Games » Number Analogies
Question
If all the numbers from 25 to 80 which are divisible by 6 are arranged in descending order, then which number will be at 6^{th} and 2^{nd} places?
Choices
Choice (4)  Response  

a.  72,48  
b.  60,42  
c.  66,48  
d.  48,66 
Question number: 180
» Mental Ability » Basic Algebra
Question
The roots of are
Choices
Choice (4)  Response  

a.  1,1 and 5  
b.  1  
c.  0 and 1  
d.  1 and 5 
Question number: 181
» Mental Ability » Basic Geometry
Question
The angle of elevation of the top of a tower at a distance 680 meters from the base is . The height of the tower is
Choices
Choice (4)  Response  

a.  meters  
b.  meters  
c.  meters  
d.  meters 
Question number: 182
» Mental Ability » Basic Algebra
Question
x  2  1  0  3 
y  7  2  1  8 
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
