IMO Mathematics Olympiad Class 9: Questions 288  293 of 919
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Question number: 288
Question
The volume of a sphere is the curved surface of its sphere is ________
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 289
Question
The area of trapezium ABCD is ________
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 290
Question
is a point, which belongs to the line________.
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Choice (4)  Response  

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b. 


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Question number: 291
Question
If the coordinate of the two points are P (4, 5) and Q (2, 3) then ________
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Choice (4)  Response  

a.  2 

b.  3 

c.  5 

d.  4 

Question number: 292
Question
The radii of two cones are in ration 3: 1, their volumes are equal. Find the ratio of their heights.
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Question number: 293
Question
A solid consists of a circular cylinder with an exact fitting right circular cone placed on the top. The height of a the cone is h. If the total volume of the solid is three times the volume of the cone, then the height of the cylinder is ________
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Choice (4)  Response  

a. 


b. 


c. 


d. 

