IMO Mathematics Olympiad Class 8: Questions 607  611 of 1029
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Question number: 607
» Direct and Inverse Proportions
Question
A sum of money is sufficient to pay wages for 31 days and wages for 38 days. The same money is sufficient to pay the wages of both for ________.
Choices
Choice (4)  Response  

a.  12 days 

b.  17 days 

c.  11 days 

d.  10 days 

Question number: 608
Question
Simplify:
Choices
Choice (4)  Response  

a. 


b.  1 

c.  0 

d. 


Question number: 609
Question
When simplified, is equal to________.
Choices
Choice (4)  Response  

a.  1 

b. 


c. 


d. 


Question number: 610
Question
Match the following provided that a and b are any rational numbers different from zero andx, y are any rational numbers.ListⅠ (Terms With Same Base Different Exponent)  ListⅡ (Use Of Basic Exponent Rules) 

(A)
 (i)

(B)
 (ii)

(C)
 (iii)

Choices
Choice (4)  Response  

 
a. 


b. 


c. 


d. 


Question number: 611
Question
If is a factor of , then the value of must be________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

