IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 339  344 of 929
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Question number: 339
Question
In the figure, If and if , then MT will be ________
Choices
Choice (4)  Response  

a.  90 cm  
b.  30 cm  
c.  20 cm  
d.  18 cm 
Question number: 340
Question
The altitude drawn to the base of an isosceles triangle is of length 8 cm and the perimeter is 32 cm. the area of the triangle is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 341
Question
The distance between the points P (6,6) and Q (2, 2) is calculated as
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 342
Question
Write the coordinate of each the points P, Q, R, S and T from the figure
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 343
Question
A spherical ball of lead, 3 cm in diameter is melted and recast into three spherical balls. The diameter of two of these is 1.5 cm and 2 cm respectively. The radius of the third ball is________.
Choices
Choice (4)  Response  

a.  2.66 cm  
b.  3 cm  
c.  3.5 cm  
d.  2.5 cm 
Question number: 344
» Lines, Angles and Quadrilaterals
Question
The sum of the interior angles of a polygon is three times the sum of its exterior angles. Then number of sides in a polygon is ________.
Choices
Choice (4)  Response  

a.  5  
b.  7  
c.  8  
d.  9 