IMO Mathematics Olympiad Class 7: Questions 208  213 of 1012
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Question number: 208
Question
Sravan had 140 currency notes in all, some of which were of Rs. 100 denomination and the remaining of Rs. 50 denomination. The total amount of these currency notes was Rs. 5600. How much amount did he have in the denomination of Rs. 100?
Choices
Choice (4)  Response  

a.  Rs. 2700 

b.  Rs. 1700 

c.  Rs. 2800 

d.  Rs. 3500 

Question number: 209
Question
If , then what is the value of?
Choices
Choice (4)  Response  

a.  5 

b. 


c.  0 

d.  4 

Question number: 210
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: 211
Question
If , then what is the value of?
Choices
Choice (4)  Response  

a.  4 

b. 


c.  2 

d.  0 

Question number: 212
Question
If , then what is the value of?
Choices
Choice (4)  Response  

a.  0 

b. 


c. 


d. 


Question number: 213
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 
