IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 364  370 of 1040
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Question number: 364
Question
If 5 % more is gained by selling an article for Rs. 320 than by selling it for Rs. 300 then the cost of the article is ________.
Choices
Choice (4)  Response  

a.  400 Rs.  
b.  600 Rs.  
c.  300 Rs.  
d.  800 Rs. 
Question number: 365
Question
Simple interest on a certain amount is of the principal. If the numbers representing the rate of interest in percent and time in years be equal, then time, for which the principal is lent out, is________
Choices
Choice (4)  Response  

a.  5 years  
b.  6.66 years  
c.  6 years  
d.  9 years 
Question number: 366
» Quadrilaterals and Practical Geometry
Question
PQRS is a rhombus in which the altitude from Q to side PS bisects PS. Then is________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 367
Question
In what time will Rs. 125 amount to Rs. 216 at 20 % p. a. , if the interest is compounded annually?
Choices
Choice (4)  Response  

a.  5  
b.  4  
c.  2  
d.  3 
Question number: 368
» Quadrilaterals and Practical Geometry
Question
ABCD is rhombus, with diagonals intersecting at point P. Then, if , then is________.
Choices
Choice (4)  Response  

a.  30  
b.  40  
c.  120  
d.  50 
Question number: 369
» Quadrilaterals and Practical Geometry
Question
Sum of the interior angle of quadrilateral is________.
Choices
Choice (4)  Response  

a.  180  
b.  360  
c.  450  
d.  120 
Question number: 370
Question
If a merchant estimates his profit as 25 % of the selling price, what is the profit percent?
Choices
Choice (4)  Response  

a.  35%  
b.  33.33%  
c.  30.33%  
d.  30% 