IMO Mathematics Olympiad Class 8: Questions 496  502 of 1029
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Question number: 496
Question
The value of when is________.
Choices
Choice (4)  Response  

a.  21 

b.  24 

c.  20 

d.  25 

Question number: 497
» Direct and Inverse Proportions
Question
A clothing store is able to purchase 20 coats worth Rs. 500.00 each. If each coat were to cost Rs. 50.00 more, then numbers of coats that will be able to buy with that amount of money is________.
Choices
Choice (4)  Response  

a.  18 

b.  20 

c.  25 

d.  16 

Question number: 498
» Direct and Inverse Proportions
Question
A bag contains 25 paise, 10 paise and 5 paise coins in the ratio 2: 3: 4. If their total value is Rs. 20, the number of 5 paise coins is ________.
Choices
Choice (4)  Response  

a.  50 

b.  80 

c.  60 

d.  70 

Question number: 499
Question
If and, then is equal to________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 500
» Direct and Inverse Proportions
Question
Two numbers are in the ratio 1: 3. If each number is increased by 9, the ratio becomes 3: 5. The numbers are________.
Choices
Choice (4)  Response  

a.  13, 14 

b.  3.5, 14.7 

c.  35, 25 

d.  4.5, 13.5 

Question number: 501
Question
The value of is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 502
» Direct and Inverse Proportions
Question
The ratio of boys and girls in a school of 660 students is. How many girls should be admitted to make ratio?
Choices
Choice (4)  Response  

a.  50 

b.  60 

c.  40 

d.  30 
