IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 260  266 of 929
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Question number: 260
Question
The point of concurrency of the angle bisectors of a triangle is called ________.
Choices
Choice (4)  Response  

a.  Circumcentre 

b.  Incentre 

c.  Centroid 

d.  Orthocentre 

Question number: 261
Question
From the adjoining figure, the value of x is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 262
Question
Orthocenter of a triangle is the point of concurrency of its ________
Choices
Choice (4)  Response  

a.  Medians 

b.  Angle bisectors 

c.  Altitudes 

d.  Perpendicular bisectors 

Question number: 263
» 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.  16 inches 

b.  24 inches 

c.  59 inches 

d.  12 inches 

Question number: 264
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: 265
Question
is a point, which belongs to the line________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 266
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.  Pentagon 

b.  Hexagon 

c.  Trapezoid 

d.  Parallelogram 
