Cube and Cube Roots (IMO Mathematics Olympiad Class 8): Questions 1  8 of 58
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1029 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 450.00 or
Question number: 1
» Cube and Cube Roots
Question
Three numbers are in the ratio of 4: 3: 2. The sum of their cubes is 21384. The numbers are________.
Choices
Choice (4)  Response  

a. 
 
b.  15: 30: 45  
c. 
 
d.  6: 12: 18 
Question number: 2
» Cube and Cube Roots
Question
The value of is ________.
Choices
Choice (4)  Response  

a.  8.5  
b.  4.00  
c.  2.5  
d.  7.5 
Question number: 3
» Cube and Cube Roots
Question
If , then is equal to________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 4
» Cube and Cube Roots
Question
The cube of a number is four times of then find where
Choices
Choice (4)  Response  

a.  4  
b.  2  
c.  1  
d.  0 
Question number: 5
» Cube and Cube Roots
Question
=
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 6
» Cube and Cube Roots
Following Statement is true or false:
The sum of the cubes of first n natural numbers is equal to the square of their sum. This statement is true or not?
Question number: 7
» Cube and Cube Roots
Question
The cube root of is________.
Choices
Choice (4)  Response  

a.  16  
b.  8  
c.  64  
d.  4 
Question number: 8
» Cube and Cube Roots
Question
In the five digit number 13ab4, a is the greatest single digit perfect cube and a is greater four times of b. then find the sum of the number and its cube root is________.
Choices
Choice (4)  Response  

a.  13824  
b.  13825  
c.  13820  
d.  13848 