IMO Mathematics Olympiad Class 8: Questions 264  269 of 1029
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Question number: 264
» Quadrilaterals and Practical Geometry
Question
Choose the correct statement.
Choices
Choice (4)  Response  

a.  The diagonals of a parallelogram are equal 

b.  If the diagonals of a quadrilateral intersect at right angles, it is not necessarily a rhombus 

c.  The diagonals of a rectangle are perpendicular to each other 

d.  Every quadrilateral is either a trapezium or a parallelogram or a kite. 

Question number: 265
Question
The cost of a vehicle is Rs. 1, 50, 000. If its value depreciates at the rate of 20 % per annum then total depreciation after 3 years was________.
Choices
Choice (4)  Response  

a.  70100 

b.  72000 

c.  73200 

d.  71500 

Question number: 266
Question
The cost of a vehicle is Rs. 1, 00, 000. If its value depreciates at the rate of 20 % per annum then total depreciation after 3 years was________.
Choices
Choice (4)  Response  

a.  48800 

b.  48100 

c.  48500 

d.  48200 

Question number: 267
Question
A book was sold for Rs. 30.00 with a profit of 5%. If it were sold for Rs. 30.50, then what would have been the percentage of profit or loss?
Choices
Choice (4)  Response  

a.  11.04% 

b.  6.75% 

c.  6.00% 

d.  10% 

Question number: 268
» Quadrilaterals and Practical Geometry
Question
To construct a quadrilateral uniquely, it is necessary to have the knowledge of at least________independent elements.
Choices
Choice (4)  Response  

a.  Four 

b.  Two 

c.  Three 

d.  Five 

Question number: 269
» Quadrilaterals and Practical Geometry
Question
Any quadrilateral has ________ sides.
Choices
Choice (4)  Response  

a.  Two 

b.  Five 

c.  Four 

d.  Three 
