IMO Level 1 Mathematics Olympiad (SOF) Class 10: Questions 770  772 of 968
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Question number: 770
Question
A solid metallic cone is melted and recast into a sphere. What is the height of the cone?
Statements

The radius of the base of the cone is

The radius of sphere is

The length of sphere is
Choices
Choice (4)  Response  

a.  Either one of the statements is sufficient. 

b.  Both statement Ⅰ & statement Ⅱ are sufficient. 

c.  None of the statements are sufficient. 

d.  Either statement Ⅰ or statement Ⅲ is sufficient. 

Question number: 771
Question
The area of a square and a circle are same. If area of the square is , the distance covered when 8 rounds are taken round the circle (approximately), is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 772
» Triangle, Circle & Constructions
Question
A circle inscribed in having, touching sides at P, Q, R. then is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

