IMO Level 1 Mathematics Olympiad (SOF) Class 10: Questions 820  821 of 968
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Question number: 820
MCQ▾
Question
A sphere of radius is dropped into a cylindrical vessel, partly filled with water. The radius of the vessel is If the sphere is submerged completely, then the surface of the water rises by________.
Choices
Choice (4)  Response  

a.  2.66 cm 

b.  0.85 cm 

c.  3.22 cm 

d.  3.4 cm 

Question number: 821
» Triangle, Circle & Constructions
MCQ▾
Question
In the given figure, a circle touches all the four sides of a quadrilateral ABCD whose three sides are then equals________.
Choices
Choice (4)  Response  

a.  3 cm 

b.  11 cm 

c.  10 cm 

d.  13 cm 
