Comparing Quantities (IMO Mathematics Olympiad Class 8): Questions 71  74 of 74
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Question number: 71
» Comparing Quantities
Question
A grocer purchased 70 kg. Of sugar at Rs. 11.00 per kg and mixed it with 110 kg sugar at Rs. 15 per kg. At what rate should he sell the mixture (per kg) to gain 15%?
Choices
Choice (4)  Response  

a.  20.5 Rs.  
b.  14.30 Rs.  
c.  20.00 Rs.  
d.  15.46 Rs. 
Question number: 72
» Comparing Quantities
Appeared in Year: 2012
Question
Consider the following statements.
If a money is loaned at simple interest then the:

Money gets doubled in 5 years if the rate of interest is

Money gets doubled in 5 years if the rate of interest is 20%

Money becomes four times in 10 years if it gets doubled in 5 years.
Of these statements:
Choices
Choice (4)  Response  

a.  (iii) alone is correct  
b.  (i) and (ii) are correct  
c.  alone is correct  
d.  Question does not provide sufficient data or is vague 
Question number: 73
» Comparing Quantities
Question
A grocer marks his goods at Rs. 200 and allows a discount of 15%. If he still gains 10%, then the cost price of article is________.
Choices
Choice (4)  Response  

a.  Rs. 150.20  
b.  Rs. 150  
c.  Rs. 154.54  
d.  Rs. 155 
Question number: 74
» Comparing Quantities
Appeared in Year: 2012
Question
A merchant marks his goods at Rs. 300 and allows a discount of 25%. If he still gains 12.5%, then the cost price of article is________.
Choices
Choice (4)  Response  

a.  Rs. 220  
b.  Rs. 200  
c.  Rs. 240  
d.  Rs. 260 