IMO Mathematics Olympiad Class 7: Questions 309  315 of 1012
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Question number: 309
Question
The value of when and is ________.
Choices
Choice (4)  Response  

a.  1108 

b.  1208 

c.  1080 

d.  1380 

Question number: 310
Question
If , then the value of is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 311
Question
If , then the value of .
Choices
Choice (4)  Response  

a.  112 

b.  60 

c.  105 

d.  102 

Question number: 312
Question
Salary of an officer increases every year by 20%. His salary in the year 2001 was Rs. 26640. What was his salary in 1999?
Choices
Choice (4)  Response  

a.  Rs. 19, 528 

b.  Rs. 18, 500 

c.  Rs. 20, 000 

d.  Rs. 19, 028 

Question number: 313
Question
The value of is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 314
Question
In an election between two candidates, the candidate who gets 45 % of the votes polled is defeated by 7, 500 votes. What is the number of votes polled by the winning candidates?
Choices
Choice (4)  Response  

a.  35, 000 

b.  41, 250 

c.  75, 000 

d.  31, 250 

Question number: 315
Question
P can do a piece of work in 9 days. Q is 50 % more efficient than P. The number of days it takes Q to do the same piece of work is ________.
Choices
Choice (4)  Response  

a.  6 

b. 


c. 


d.  3 
