IMO Mathematics Olympiad (SOF) Class 10: Questions 768  770 of 958
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Question number: 768
» Triangle, Circle & Constructions
Question
A circle inscribed in having, touching sides at A, B, C. then is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 769
Question
What is the volume of cube?
Statements

The height (h) of cube

The surface area of cube is
Choices
Choice (4)  Response  

a.  Only statement Ⅱ is sufficient, while others are not sufficient. 

b.  None of the statements are sufficient. 

c.  Either one of the statements is sufficient. 

d.  Only statement Ⅰ is sufficient, while others are not sufficient. 

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 statement Ⅱ or statement Ⅲ is sufficient & only statement Ⅰ is sufficient, while others are not sufficient. 

b.  Either statement Ⅰ or statement Ⅱ is sufficient & only statement Ⅲ is sufficient, while others are not sufficient. 

c.  Only statement Ⅲ is sufficient, while others are not sufficient. 

d.  Both statement Ⅰ & statement Ⅱ are sufficient. 
