Square and Square Roots (IMO Mathematics Olympiad Class 8): Questions 56  64 of 67
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Question number: 56
» Square and Square Roots
Question
Find the smallest square number which is exactly divisible by 5 6, 9 and 12 is, ________
Choices
Choice (4)  Response  

a.  100 

b.  180 

c.  900 

d.  500 

Question number: 57
» Square and Square Roots
Question
Square root of 6084 is________.
Choices
Choice (4)  Response  

a.  77 

b.  78 

c.  87 

d.  76 

Question number: 58
» Square and Square Roots
Question
If = 4, then = ________.
Choices
Choice (4)  Response  

a.  100 

b.  169 

c.  123 

d.  144 

Question number: 59
» Square and Square Roots
Question
The greatest four digit number, which is a perfect square is ________.
Choices
Choice (4)  Response  

a.  9801 

b.  9805 

c.  9900 

d.  9901 

Question number: 60
» Square and Square Roots
Question
Which of the following is not a perfect square?
Choices
Choice (4)  Response  

a.  16384 

b.  100489 

c.  5329 

d.  1638 

Question number: 61
» Square and Square Roots
Question
A number is multiplied by itself and then 10 is subtracted from the product. If the final result is 590, then find the original number.
Choices
Choice (4)  Response  

a.  60 

b.  30 

c.  50 

d.  36 

Question number: 62
» Square and Square Roots
Question
If, then
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 

Question number: 63
» Square and Square Roots
Question
If, then the value of is________.
Choices
Choice (4)  Response  

a.  30.2 

b.  22.7 

c.  11.1 

d.  24.7 

Question number: 64
» Square and Square Roots
Question
If, then the value of is________.
Choices
Choice (4)  Response  

a. 


b.  30.20 

c.  24.70 

d.  25.00 
