IMO Mathematics Olympiad (SOF) Class 8: Questions 365  371 of 1030
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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.  2 

b.  5 

c.  3 

d.  4 

Question number: 368
» Quadrilaterals and Practical Geometry
Question
ABCD is rhombus, If, then is________.
Choices
Choice (4)  Response  

a.  50 

b.  120 

c.  30 

d.  40 

Question number: 369
» Quadrilaterals and Practical Geometry
Question
Sum of the interior angle of quadrilateral is________.
Choices
Choice (4)  Response  

a.  450 

b.  120 

c.  180 

d.  360 

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.  30.33% 

b.  30% 

c.  35% 

d.  33.33% 

Question number: 371
» Quadrilaterals and Practical Geometry
Question
The given quadrilateral is________.
Choices
Choice (4)  Response  

a.  A convex quadrilateral 

b.  A Concave quadrilateral 

c.  A parallelogram 

d.  Question does not provide sufficient data or is vague 
