IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 187  195 of 1040
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Question number: 187
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: 188
Question
=
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 189
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: 190
Question
The cube root of is________.
Choices
Choice (4)  Response  

a.  64 

b.  4 

c.  16 

d.  8 

Question number: 191
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: 192
Question
Find the value of.
Choices
Choice (4)  Response  

a.  30 

b.  70 

c.  50 

d.  31 

Question number: 193
Question
The value of is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 194
Question
Two cubes have volume in the ratio 1: 125. The ratio of the area of the face of one to that of the other is________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 195
Question
The value of is________.
Choices
Choice (4)  Response  

a.  15 

b.  10 

c.  12 

d.  14 
