IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 94  100 of 1040
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Question number: 94
» 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.  30 and 60 

b.  16 and 32 

c.  20 and 50 

d.  10 and 30 

Question number: 95
» 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: 96
» Linear Equations in One Variable
Question
Solve for
Choices
Choice (4)  Response  

a.  12 

b.  3 

c.  10 

d.  5 

Question number: 97
» 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: 98
» 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.  18 

b.  81 

c.  88 

d.  82 

Question number: 99
» 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.  23 

b.  32 

c.  88 

d.  31 

Question number: 100
» Linear Equations in One Variable
Question
The value of for which is_.
Choices
Choice (4)  Response  

a.  7 

b. 


c. 


d.  6 
