IMO Mathematics Olympiad (SOF) Class 8: Questions 298  305 of 1030
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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.  80.90 

b.  80.00 

c.  85.01 

d.  88.23 

Question number: 300
Question
A number increased by % gives 30. The number is________.
Choices
Choice (4)  Response  

a.  20 

b.  25 

c.  15 

d.  17 

Question number: 301
Question
Sugar is bought at Rs. 18.50 per kg and sold at Rs. 19.00 per kg. The gain percent is________.
Choices
Choice (4)  Response  

a.  2.70% 

b.  3.00% 

c.  3.12% 

d.  2.00% 

Question number: 302
Question
A number increased by % gives 22. The number is________.
Choices
Choice (4)  Response  

a.  17.25 

b.  17 

c.  16 

d.  15 

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° 
