IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 21  30 of 1040
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Question number: 21
Question
Simplify:
Choices
Choice (4)  Response  

a.  2  
b.  1  
c.  3  
d.  0 
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.  2.00  
c.  1.52  
d.  1.25 
Question number: 23
Question
We divide additive inverse of 2 by their multiplicative inverse of 2. Then answer is_.
Choices
Choice (4)  Response  

a.  2  
b.  1  
c.  1  
d.  4 
Question number: 24
Question
The value of for which the two rational numbers , are equivalent, is_.
Choices
Choice (4)  Response  

a.  1  
b. 
 
c. 
 
d. 

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

a.  1  
b.  1  
c. 
 
d.  0 
Question number: 26
Question
The value of for which the two rational numbers , are equivalent, is_.
Choices
Choice (4)  Response  

a.  1  
b.  3  
c.  2  
d.  0 
Question number: 27
Question
A rational number between 0.30 and 0.40 is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 
Question number: 28
Question
What should be divided to to get
Choices
Choice (4)  Response  

a.  2  
b.  0  
c. 
 
d.  1 
Question number: 29
Question
The rational number which is not lying between and 0.5 is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 30
Question
The rational number which is not lying between and is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
