IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 293  299 of 1040
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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.  5  
b.  7  
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.  20 Rs.  
c.  30 Rs.  
d.  24 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.  2 Rs.  
b.  4 Rs.  
c.  9 Rs.  
d.  3 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.  400 Rs.  
b.  200 Rs.  
c.  300 Rs.  
d.  600 Rs. 
Question number: 298
Question
The simple interest at for years will be Rs. on a sum of________.
Choices
Choice (4)  Response  

a.  Rs.  
b.  Rs.  
c.  Rs.  
d.  Rs. 
Question number: 299
Question
A number decreased by % gives 75. The number is________.
Choices
Choice (4)  Response  

a.  80.00  
b.  88.23  
c.  85.01  
d.  80.90 