Comparing Quantities (IMO Mathematics Olympiad Class 8): Questions 46  52 of 74
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Question number: 46
» Comparing Quantities
Question
If a number x is 15 % less than another number y and y is 15 % more than 110, then x is equal to________.
Choices
Choice (4)  Response  

a.  107.525 

b.  120 

c.  109.725 

d.  100.25 

Question number: 47
» Comparing Quantities
Question
The cost of a vehicle is Rs. 1, 20, 000. If its value depreciates at the rate of 10 % per annum then total depreciation after 2 years was________.
Choices
Choice (4)  Response  

a.  21100 

b.  21000 

c.  22000 

d.  22800 

Question number: 48
» Comparing Quantities
Question
The C. I. on a certain sum for 2 years is Rs. 410 and S. I. is Rs. 400. The rate of interest per annum is________.
Choices
Choice (4)  Response  

a.  4% 

b.  6% 

c.  3% 

d.  5% 

Question number: 49
» Comparing Quantities
Question
Ram borrowed Rs. 10, 000 at 20 % p. a. compounded half yearly. What amount of money will discharge his debt after years?
Choices
Choice (4)  Response  

a.  915.06 Rs. 

b.  900.5 Rs. 

c.  980 Rs. 

d.  912.5 Rs. 

Question number: 50
» Comparing Quantities
Question
A man sells a mare of Rs. 2005 making a loss of . The cost of the mare is________.
Choices
Choice (4)  Response  

a.  2100 Rs. 

b.  2110.52 Rs. 

c.  2000 Rs. 

d.  1000 Rs. 

Question number: 51
» Comparing Quantities
Question
If a number x is 5 % less than another number y and y is 5 % more than 110, then x is equal to________.
Choices
Choice (4)  Response  

a.  100.25 

b.  120 

c.  109.725 

d.  110 

Question number: 52
» Comparing Quantities
Question
A grocer purchased 50 kg. Of sugar at Rs. 10.50 per kg and mixed it with 100 kg sugar at Rs. 20 per kg. At what rate should he sell the mixture (per kg) to gain 20%?
Choices
Choice (4)  Response  

a.  30 Rs. 

b.  20.2 Rs. 

c.  20.5 Rs. 

d.  20 Rs. 
