Square and Square Roots (IMO Mathematics Olympiad (SOF) Class 8): Questions 11  20 of 67
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Question number: 11
» Square and Square Roots
Question
The least two digit number, which is a perfect square is ________
Choices
Choice (4)  Response  

a.  4 

b.  16 

c.  12 

d.  9 

Question number: 12
» Square and Square Roots
Question
Find the smallest square number which is exactly divisible by 8,12,15, and 20 is, ________
Choices
Choice (4)  Response  

a.  3600 

b.  2500 

c.  900 

d.  180 

Question number: 13
» Square and Square Roots
Question
Which of the following is not a perfect square?
Choices
Choice (4)  Response  

a.  100489 

b.  5329 

c.  23457 

d.  12544 

Question number: 14
» Square and Square Roots
Question
If , then the value of is________.
Choices
Choice (4)  Response  

a.  2 

b.  5 

c.  4 

d.  8 

Question number: 15
» Square and Square Roots
Question
If , then the value of is________.
Choices
Choice (4)  Response  

a.  3 

b.  7 

c.  4 

d.  5 

Question number: 16
» Square and Square Roots
Question
A number is multiplied by half of itself and then 10 is added to the product. If the final result is 82, then find the original number.
Choices
Choice (4)  Response  

a.  11 

b.  14 

c.  12 

d.  13 

Question number: 17
» Square and Square Roots
Question
The area of a square field is sq. m. The length of each side of the field is ________.
Choices
Choice (4)  Response  

a.  2.30 

b.  5.42 

c.  2.50 

d.  1.92 

Question number: 18
» Square and Square Roots
Question
The value of is________.
Choices
Choice (4)  Response  

a.  0 

b.  3 

c. 


d. 


Question number: 19
» Square and Square Roots
Question
The square root of correct to two decimal places is
Choices
Choice (4)  Response  

a.  2.86 

b.  1.87 

c.  2.88 

d.  2.33 

Question number: 20
» Square and Square Roots
Following Statement is true or false:
If p and q are perfect squares, then is always a rational number, is the statement true?