IMO Mathematics Olympiad Class 8: Questions 303  309 of 1029
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Question number: 303
Question
A sum of Rs. 1000 was lent partly at 2 % and partly at 5 % p. a. simple interest. The total interest received after 3 years was Rs. 163. The ratio of the money lent at 2 % to that lent at 5 % is
Choices
Choice (4)  Response  

a.  7: 3 

b.  3: 2 

c.  2: 3 

d.  3: 7 

Question number: 304
» Quadrilaterals and Practical Geometry
Question
Suppose ABCD is a quadrilateral. If its diagonals are congruent and bisect each other, then ABCD is________.
Choices
Choice (4)  Response  

a.  Rhombus 

b.  Square 

c.  Equiangular 

d.  Rectangle 

Question number: 305
» Quadrilaterals and Practical Geometry
Question
MNOP is a rhombus in which the altitude from P to side ON bisects ON. Then is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  180° 

Question number: 306
Question
What is 50 % of 50%?
Choices
Choice (4)  Response  

a.  0.50 

b.  2.5 

c.  0.025 

d.  0.25 

Question number: 307
» Quadrilaterals and Practical Geometry
Question
Choose the correct statement.
Choices
Choice (4)  Response  

a.  The diagonals of rectangle are congruent. 

b.  Rhombus all sides are congruent. 

c.  Not all angles of squares are right angle. 

d.  Rectangle has all the sides equal. 

Question number: 308
Question
If a merchant estimates his profit as 10 % of the selling price, what is the profit percent?
Choices
Choice (4)  Response  

a.  11.22% 

b.  11.11% 

c.  10% 

d.  10.33% 

Question number: 309
» Quadrilaterals and Practical Geometry
Question
In the given figure, line CE is drawn parallel to DB. If
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

