IMO Level 1 Mathematics Olympiad (SOF) Class 10: Questions 826  829 of 968
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Question number: 826
Question
A cylindrical vessel of height and as the radius of the base, is filled with sand. This bucket is emptied on the ground and a conical heap of sand is formed. If the height of the conical heap is the radius of its base is________.
Choices
Choice (4)  Response  

a. 
 
b.  23.76 cm  
c. 
 
d.  28.76 cm 
Question number: 827
Question
If the radii of the circular ends of a bucket of height are of lengths and , then the volume of the bucket in cubic centimeters, is________.
Choices
Choice (4)  Response  

a.  60060  
b.  70040  
c.  80160  
d.  56980 
Question number: 828
Question
A man runs around a circle of radius at a speed of The time taken by him for going around it fifteen times is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 829
» Triangle, Circle & Constructions
Question
In the given figure, ABCD is cyclic quadrilateral and EF is tangent to the circle with center ‘G’. AC is diameter, the ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
