IMO Mathematics Olympiad (SOF) Class 8: Questions 292  297 of 1029
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Question number: 292
Question
The difference between compound interest and simple interest on a sum of 2 years at 10 % per annum, when the interest is compounded annually is Rs. 15. If the interest were compounded half yearly, the difference in two interests would be
Choices
Choice (4)  Response  

a.  23.25 

b.  25.64 

c.  24.30 

d.  23.00 

Question number: 293
Question
65 % of 20 students are good in physics. How many students are not good at it?
Choices
Choice (4)  Response  

a.  7 

b.  5 

c.  10 

d.  6 

Question number: 294
» Quadrilaterals and Practical Geometry
Question
In the given figure, line CE is drawn parallel to DB. If
and ∠BAD = 110°, ∠ABD = 40°, ∠ADC = 100° and ∠BCD = 80° is given.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 295
Question
The selling price of goods which cost Rs. 20 and were sold at a gain of 20 % is________.
Choices
Choice (4)  Response  

a.  25 Rs. 

b.  24 Rs. 

c.  20 Rs. 

d.  30 Rs. 

Question number: 296
Question
The selling price of goods which cost Rs. 10 and were sold at a loss of 10 % is________.
Choices
Choice (4)  Response  

a.  9 Rs. 

b.  3 Rs. 

c.  4 Rs. 

d.  2 Rs. 

Question number: 297
Question
If 5 % more is gained by selling an article for Rs. 510 than by selling it for Rs. 500 then the cost of the article is ________.
Choices
Choice (4)  Response  

a.  300 Rs. 

b.  400 Rs. 

c.  600 Rs. 

d.  200 Rs. 
