Ratio and Proportion (IMO Mathematics Olympiad (SOF) Class 6): Questions 46  50 of 80
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Question number: 46
» Ratio and Proportion
Question
X’s money is to Y’s money as 3: 5 and Y’s money is to Z’s money as 7: 9. If X has Rs. 2100, Z has
Choices
Choice (4)  Response  

a.  Rs. 2200 

b.  Rs. 4500 

c.  Rs. 2500 

d.  Rs. 3500 

Question number: 47
» Ratio and Proportion
Question
What number should be subtracted from each of the numbers 54,71,75 and 99 so that the remainders may be proportional?
Choices
Choice (4)  Response  

a.  2 

b.  1 

c.  3 

d.  6 

Question number: 48
» Ratio and Proportion
Question
In a mountain climbing training center, 500 persons are trained out of which 355 are selected for international climbing competition. Ratio of nonselected persons to the selected persons is
Choices
Choice (4)  Response  

a.  7: 5 

b.  5: 7 

c.  71: 29 

d.  29: 71 

Question number: 49
» Ratio and Proportion
Question
Ratio of shaded fraction to whole is________
Choices
Choice (4)  Response  

a.  3: 2 

b.  1: 2 

c.  8: 4 

d.  4: 4 

Question number: 50
» Ratio and Proportion
Question
Ratio of unshaded fraction to whole is________
Choices
Choice (4)  Response  

a.  7: 4 

b.  3: 7 

c.  7: 3 

d.  4: 7 
