IMO Mathematics Olympiad Class 9: Questions 263  268 of 919
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Question number: 263
Question
Orthocenter of a triangle is the point of concurrency of its ________
Choices
Choice (4)  Response  

a.  Medians 

b.  Altitudes 

c.  Angle bisectors 

d.  Perpendicular bisectors 

Question number: 264
» Lines, Angles and Quadrilaterals
Question
A triangle and a trapezoid are equal in area. They also have the same altitude. If the base of the triangle is 24 inches, the median of the trapezoid is ________
Choices
Choice (4)  Response  

a.  59 inches 

b.  24 inches 

c.  16 inches 

d.  12 inches 

Question number: 265
Question
A cone and a hemisphere have the same height and same radius of the base. The ratio between the volumes of the cone and the hemisphere is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 266
Question
is a point, which belongs to the line________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 267
Question
On plotting the points A (2, 9), B (6, 11), C (10, 9), D (8, 5), E (4, 5) and joining AB, BC, CD, CE, EA, Which of the following figure is obtained?
Choices
Choice (4)  Response  

a.  Hexagon 

b.  Trapezoid 

c.  Pentagon 

d.  Parallelogram 

Question number: 268
Question
In the figure, and , then
Choices
Choice (4)  Response  

a.  OR 

b.  PF 

c.  PQ 

d.  EF 
