Linear Equations in One Variable (IMO Mathematics Olympiad Class 8): Questions 27  33 of 61
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Question number: 27
» Linear Equations in One Variable
Question
The denominator of a rational number is greater than its numerator by 2. 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: 28
» Linear Equations in One Variable
Question
Of a number added to of a same number make . The number is_.
Choices
Choice (4)  Response  

a.  1 

b.  5 

c.  2 

d.  7 

Question number: 29
» Linear Equations in One Variable
Question
The two consecutive multiplies of 2 whose sum is 30 are_.
Choices
Choice (4)  Response  

a.  12, 14 

b.  9, 11 

c.  11, 13 

d.  14, 16 

Question number: 30
» Linear Equations in One Variable
Question
Of a number subtracted from of a same number make . The number is_.
Choices
Choice (4)  Response  

a.  5 

b. 


c.  1 

d. 


Question number: 31
» Linear Equations in One Variable
Question
The denominator of a rational number is greater than its numerator by 4. If 5 is added to the numerator and 2 is subtracted from its denominator, the new number becomes the original number is_.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 32
» Linear Equations in One Variable
Question
If of a number is 10 less than the original number, then the number is_.
Choices
Choice (4)  Response  

a.  15 

b.  25 

c.  60 

d.  30 

Question number: 33
» Linear Equations in One Variable
Question
Shyam has Rs. 20 in the form of fifty paise and twenty five paise coins. He has thrice as many twenty five paise coins as he has fifty paise coins. The number of coins of each kind are_.
Choices
Choice (4)  Response  

a.  20 and 50 

b.  10 and 30 

c.  16 and 32 

d.  30 and 60 
