Cube and Cube Roots (IMO Level 1 Mathematics Olympiad (SOF) Class 8): Questions 1  9 of 59
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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.  6: 12: 18  
c.  15: 30: 45  
d. 

Question number: 2
» Cube and Cube Roots
Question
The value of is ________.
Choices
Choice (4)  Response  

a.  4.00  
b.  2.5  
c.  7.5  
d.  8.5 
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.  1  
b.  0  
c.  2  
d.  4 
Question number: 5
» Cube and Cube Roots
Question
=
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 6
» Cube and Cube Roots
Question
Is the Following Statement 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.  64  
b.  4  
c.  16  
d.  8 
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.  13848  
b.  13820  
c.  13825  
d.  13824 
Question number: 9
» Cube and Cube Roots
Question
Find the value of .
Choices
Choice (4)  Response  

a.  30  
b.  70  
c.  50  
d.  31 