IMO Mathematics Olympiad Class 9: Questions 411  414 of 919
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Question number: 411
Question
Write the coordinate of each the points A, B, C, D, E and F from the figure
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 412
Question
A cylindrical rod whose height is 12 times of its radius is melted and recast into spherical balls of same radius. The numbers of balls will be________
Choices
Choice (4)  Response  

a.  9 

b.  2 

c.  7 

d.  6 

Question number: 413
Question
O, P, Q and R are four points on a circle. OQ and PR intersect at a point S such that and, then angle is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 414
Question
How many metres of cloth, 4 m wide, will be required to make a conical tent, the radius of whose base is 14 m and height is 12 m?
Choices
Choice (4)  Response  

a.  104.07 m 

b.  115.05 m 

c.  105.06 m 

d.  106.06 m 
