IMO Mathematics Olympiad Class 8: Questions 599  607 of 1029
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Question number: 599
Question
The solution of , is________.
Choices
Choice (4)  Response  

a.  1 

b.  4 

c.  3 

d.  2 

Question number: 600
Question
If, then the value of a is
Choices
Choice (4)  Response  

a.  4 

b.  1 

c.  0 

d.  2 

Question number: 601
» Direct and Inverse Proportions
Question
The ratio which bears to is________.
Choices
Choice (4)  Response  

a.  1.04 

b.  2.63 

c.  2.00 

d.  1.00 

Question number: 602
» Direct and Inverse Proportions
Question
A can do a work in 7 days. If B is 75 % more efficient than A, then in how many days can B do the same work?
Choices
Choice (4)  Response  

a.  3 

b.  4 

c.  5 

d.  3.5 

Question number: 603
Question
If and, then is equal to________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 604
» Direct and Inverse Proportions
Question
0.5 of a number equals 0.15 of another number. The ratio of the number is________.
Choices
Choice (4)  Response  

a.  3: 10 

b.  3: 2 

c.  10: 3 

d.  2: 3 

Question number: 605
Question
The solution of , is________.
Choices
Choice (4)  Response  

a.  2 

b.  1 

c.  3 

d.  4 

Question number: 606
Question
If and, then equals
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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 
