Simple Equations (IMO Mathematics Olympiad Class 7): Questions 49  55 of 83
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Question number: 49
» Simple Equations
Question
If , then what is the value of?
Choices
Choice (4)  Response  

a.  5 

b. 


c.  0 

d.  4 

Question number: 50
» Simple Equations
Question
In a certain office, of the workers are women, of the women are married and of the married women have children. If of the men are married and of the married men have children, what part of workers is without children?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 51
» Simple Equations
Question
If , then what is the value of?
Choices
Choice (4)  Response  

a.  4 

b. 


c.  2 

d.  0 

Question number: 52
» Simple Equations
Question
If , then what is the value of?
Choices
Choice (4)  Response  

a.  0 

b. 


c. 


d. 


Question number: 53
» Simple Equations
Question
In two digit number, unit’s digit is twice the ten’s digit. The number formed by interchanging the digits is 27 more than the original number. The original number is ________
Choices
Choice (4)  Response  

a.  36 

b.  45 

c.  72 

d.  84 

Question number: 54
» Simple Equations
Question
The sum of 4 consecutive integers is 54. Then the greatest among them is ________.
Choices
Choice (4)  Response  

a.  14 

b.  12 

c.  13 

d.  15 

Question number: 55
» Simple Equations
Question
The age of A and B are in ratio after 4 years, their ages will be in the ratio 7: 5 the sum of present age is ________
Choices
Choice (4)  Response  

a.  24 years 

b.  16 years 

c.  14 years 

d.  12 years 
