Comparing Quantities (IMO Mathematics Olympiad Class 8): Questions 38  45 of 74
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Question number: 38
» Comparing Quantities
Question
A sum of Rs. 1000 was lent partly at 2 % and partly at 5 % p. a. simple interest. The total interest received after 3 years was Rs. 163. The ratio of the money lent at 2 % to that lent at 5 % is
Choices
Choice (4)  Response  

a.  7: 3 

b.  3: 2 

c.  2: 3 

d.  3: 7 

Question number: 39
» Comparing Quantities
Question
What is 50 % of 50%?
Choices
Choice (4)  Response  

a.  0.50 

b.  2.5 

c.  0.025 

d.  0.25 

Question number: 40
» Comparing Quantities
Question
If a merchant estimates his profit as 10 % of the selling price, what is the profit percent?
Choices
Choice (4)  Response  

a.  11.22% 

b.  11.11% 

c.  10% 

d.  10.33% 

Question number: 41
» Comparing Quantities
Question
A man sells a mare of Rs. 1016 making a profit of . The cost of the mare is________.
Choices
Choice (4)  Response  

a.  100 Rs. 

b.  10 Rs. 

c.  900 Rs. 

d.  1000 Rs. 

Question number: 42
» Comparing Quantities
Question
If a merchant estimates his profit as 20 % of the selling price, what is the profit percent?
Choices
Choice (4)  Response  

a.  20% 

b.  25% 

c.  30.33% 

d.  33.33% 

Question number: 43
» Comparing Quantities
Question
A grocer purchased 50 kg. Of sugar at Rs. 12.50 per kg and mixed it with 120 kg sugar at Rs. 30 per kg. At what rate should he sell the mixture (per kg) to gain 10%?
Choices
Choice (4)  Response  

a.  30 Rs. 

b.  27.33 Rs. 

c.  20.5 Rs. 

d.  20 Rs. 

Question number: 44
» Comparing Quantities
Question
30 % of 140 = x% of 420, then the value of x is________.
Choices
Choice (4)  Response  

a.  5 

b.  30 

c.  2 

d.  10 

Question number: 45
» Comparing Quantities
Question
30 % of 300 = x% of 150, then the value of x is________.
Choices
Choice (4)  Response  

a.  60 

b.  50 

c.  30 

d.  10 
