IMO Mathematics Olympiad Class 8: Questions 16  23 of 1029
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Question number: 16
Question
If X= , then is equal to
Choices
Choice (4)  Response  

a. 


b. 
 
c.  1 

d.  0 

Question number: 17
Question
Which of the following statement is false?
Choices
Choice (4)  Response  

a. 


b.  Real number is not a rational number 

c.  Every point on the number line is not represents a rational number 

d.  The product of rational number and its reciprocal is not zero 

Question number: 18
Question
The standard form of is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 19
Question
The multiplicative inverse of 2 is
Choices
Choice (4)  Response  

a. 


b.  0 

c.  2 

d.  1 

Question number: 20
Question
Name the property of multiplication of rational numbers illustrated by the given statement.
Choices
Choice (4)  Response  

a.  Associativity of multiplication 

b.  Distributivity of multiplication over addition 

c.  Distrbutivity of addition over multiplication 

d.  Commutativity 

Question number: 21
Question
Simplify:
Choices
Choice (4)  Response  

a.  2 

b.  0 

c.  1 

d.  3 

Question number: 22
Question
The cost of 8 meters rope is Rs. 15. Find its cost per meter.
Choices
Choice (4)  Response  

a.  1.87 

b.  1.52 

c.  1.25 

d.  2.00 

Question number: 23
Question
We divide additive inverse of 2 by their multiplicative inverse of 2. Then answer is_.
Choices
Choice (4)  Response  

a.  1 

b.  4 

c.  2 

d.  1 
