IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 300  307 of 1040
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Question number: 300
Question
A number increased by % gives 30. The number is________.
Choices
Choice (4)  Response  

a.  25  
b.  17  
c.  20  
d.  15 
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.  15  
b.  17  
c.  17.25  
d.  16 
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.  3: 2  
b.  3: 7  
c.  8: 5  
d.  2: 3 
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.  Square  
b.  Rhombus  
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.  180°  
d. 

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

a.  2.5  
b.  0.025  
c.  0.50  
d.  0.25 
Question number: 307
» Quadrilaterals and Practical Geometry
Question
Choose the correct statement.
Choices
Choice (4)  Response  

a.  Not all angles of squares are right angle.  
b.  Rhombus all sides are congruent.  
c.  Rectangle has all the sides equal.  
d.  The diagonals of rectangle are congruent. 