Simple Equations (IMO Mathematics Olympiad Class 7): Questions 51  57 of 83
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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 
Question number: 56
» Simple Equations
Question
The number of girls in a class is 3 times the number of boys. Which of the following cannot be the total number of children in the class?
Choices
Choice (4)  Response  

a.  16  
b.  64  
c.  32  
d.  18 
Question number: 57
» Simple Equations
Question
The total cost of three prizes is Rs. 4440. If the value of second prize is of the first and the value of third prize is of the second prize, then the value of first prize is ________.
Choices
Choice (4)  Response  

a.  Rs. 1200  
b.  Rs. 1800  
c.  Rs. 1500  
d.  Rs. 1050 