Ratio and Proportion (IMO Mathematics Olympiad (SOF) Class 6): Questions 1  7 of 80
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Question number: 1
» Ratio and Proportion
Question
A bus travels 126 km in 3 hours and a train travels 315 km in 5 hours. The ratio of their speeds is
Choices
Choice (4)  Response  

a.  1: 3 

b.  3: 5 

c.  2: 3 

d.  126: 315 

Question number: 2
» Ratio and Proportion
Question
In a quiz program, the ratio of correct answers to incorrect answers is 5: 2. If 16 incorrect answers are given, then the number of correct answers given is
Choices
Choice (4)  Response  

a.  40 

b.  20 

c.  30 

d.  80 

Question number: 3
» Ratio and Proportion
Question
If 12 men can do a piece of work in 18 days, in how many days will 8 men complete it?
Choices
Choice (4)  Response  

a.  10 days 

b.  27 days 

c.  days 

d.  12 days 

Question number: 4
» Ratio and Proportion
Question
What number should be added to each of the numbers 22, 46, 34 and 70 so that the remainders may be proportional?
Choices
Choice (4)  Response  

a.  2 

b.  1 

c.  3 

d.  6 

Question number: 5
» Ratio and Proportion
Question
Cost of a toffee is 50 paisa and cost of a chocolate is Rs. 10, then the ratio of the cost of a toffee to the cost of a chocolate is
Choices
Choice (4)  Response  

a.  5: 1 

b.  20: 1 

c.  1: 5 

d.  1: 20 

Question number: 6
» Ratio and Proportion
Question
What number should be subtracted from each of the numbers 45, 67, 53 and 79 so that the remainders may be proportional?
Choices
Choice (4)  Response  

a.  6 

b.  3 

c.  2 

d.  1 

Question number: 7
» Ratio and Proportion
Question
A’s money is to B’s money as 4: 5 and B’s money is to C’s money as 2: 3. If A has Rs. 800, C has
Choices
Choice (4)  Response  

a.  Rs. 1500 

b.  Rs. 2000 

c.  Rs. 1000 

d.  Rs. 1200 
