IMO Level 1 Mathematics Olympiad (SOF) Class 10: Questions 904  910 of 968
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Question number: 904
» Triangle, Circle & Constructions
Question
A circle of radius ‘r’ has been inscribed in a triangle of area A. If the semiperimeter of the triangle be S, then ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 905
Question
IF then the value of is ________.
Choices
Choice (4)  Response  

a.  213.0003  
b.  53.603  
c.  153.6003  
d.  53.6003 
Question number: 906
Question
In the given figure, BD is the diameter of the circle with centre O, . Then y equals________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 907
Question
A sports club has 130 meters. An increase of in the number of men and in the number of women brrough up the membership to How many men and women were there originally?
Choices
Choice (4)  Response  

a.  60 men, 70 women  
b.  50 men, 80 women  
c.  90 men, 40 women  
d.  80 men, 50 women 
Question number: 908
Question
How many sides does a regular polygon have, whose interior angle is eight times its exterior angle?
Choices
Choice (4)  Response  

a.  16  
b.  24  
c.  18  
d.  20 
Question number: 909
» Logical & Analytical Reasoning
Question
Which number is on the face opposite 3?
Choices
Choice (4)  Response  

a.  5  
b.  4  
c.  6  
d.  3 
Question number: 910
» Logical & Analytical Reasoning
Question
How many triangles (excluding right angle triangles) are there in the given figure.
Choices
Choice (4)  Response  

a.  35  
b.  34  
c.  32  
d.  33 