Rational Numbers (IMO Mathematics Olympiad (SOF) Class 8): Questions 18  26 of 66
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Question number: 18
» Rational Numbers
Question
The standard form of is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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

a. 


b.  0 

c.  2 

d.  1 

Question number: 20
» Rational Numbers
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
» Rational Numbers
Question
Simplify:
Choices
Choice (4)  Response  

a.  2 

b.  0 

c.  1 

d.  3 

Question number: 22
» Rational Numbers
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
» Rational Numbers
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 

Question number: 24
» Rational Numbers
Question
The value of for which the two rational numbers , are equivalent, is_.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  1 

Question number: 25
» Rational Numbers
Question
Solve the expression , If value of a = 1 and b = 0
Choices
Choice (4)  Response  

a.  1 

b.  1 

c.  0 

d. 


Question number: 26
» Rational Numbers
Question
The value of for which the two rational numbers , are equivalent, is_.
Choices
Choice (4)  Response  

a.  0 

b.  1 

c.  3 

d.  2 
