Linear Equations in One Variable (IMO Mathematics Olympiad Class 8): Questions 34  40 of 61
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Question number: 34
» Linear Equations in One Variable
Question
The denominator of a rational number is greater than its numerator by 5. If 2 is subtracted from the numerator and 3 is added to its denominator, the new number becomes . The original number is_.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 35
» Linear Equations in One Variable
Question
Solve for
Choices
Choice (4)  Response  

a.  5  
b.  10  
c.  12  
d.  3 
Question number: 36
» Linear Equations in One Variable
Question
The difference of two numbers a and b is 10 and difference of their cubes is 10. Then find the numbers b.
Choices
Choice (4)  Response  

a.  i  
b.  i  
c.  i  
d.  i 
Question number: 37
» Linear Equations in One Variable
Question
A number consists of two digits whose sum is 9. If 63 is subtracted to the number, the digits are interchanged. The number is_.
Choices
Choice (4)  Response  

a.  82  
b.  88  
c.  18  
d.  81 
Question number: 38
» Linear Equations in One Variable
Question
A number consists of two digits whose sum is 5. If 9 is added to the number, the digits are interchanged. The number is_.
Choices
Choice (4)  Response  

a.  32  
b.  23  
c.  88  
d.  31 
Question number: 39
» Linear Equations in One Variable
Question
The value of for which is_.
Choices
Choice (4)  Response  

a.  7  
b. 
 
c.  6  
d. 

Question number: 40
» Linear Equations in One Variable
Question
Solve for
Choices
Choice (4)  Response  

a.  9  
b. 
 
c.  2  
d.  1 