Simple Equations (IMO Mathematics Olympiad Class 7): Questions 26  32 of 83
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Question number: 26
» Simple Equations
Appeared in Year: 2012
Question
If of a number is 45, What is of the same number?
Choices
Choice (4)  Response  

a.  5 

b.  25 

c.  30 

d.  81 

Question number: 27
» Simple Equations
Question
A number is subtracted by 3 and the difference is multiplied by 8. If 14 is added from the product and sum is divided by 3, the result is equal to . The number is ________.
Choices
Choice (4)  Response  

a.  14 

b.  10 

c.  19 

d.  16 

Question number: 28
» Simple Equations
Question
In three digit number, hundred’s digit is thrice the unit’s digit and the ten’s digit is half of the unit’s digit. The original number is ________
Choices
Choice (4)  Response  

a.  882 

b.  812 

c.  612 

d.  622 

Question number: 29
» Simple Equations
Question
Simplify:
Choices
Choice (4)  Response  

a.  12 

b.  54 

c.  34 

d.  24 

Question number: 30
» Simple Equations
Question
The average of and is . The value of Z is ________
Choices
Choice (4)  Response  

a.  61 

b.  62 

c.  59 

d.  60 

Question number: 31
» Simple Equations
Question
What is the value of that makes the following expression true?
Choices
Choice (4)  Response  

a.  4 

b.  5 

c.  3 

d.  5 

Question number: 32
» Simple Equations
Question
The present age of A is twice that of B. 20 years from now, age of A will be times that of B. The present ages of A and B (in years) respectively, is ________.
Choices
Choice (4)  Response  

a.  20, 10 

b.  10, 20 

c.  30, 20 

d.  20, 30 
