IMO Mathematics Olympiad Class 9: Questions 430  434 of 919
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Question number: 430
Question
In the figure , and . Then K equals ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 431
Question
In the given figure, AD is the bisector of and . Then , are congruent by which criterion?
Choices
Choice (4)  Response  

a.  SAS 

b.  AAA 

c.  ASA 

d.  All of the above 

Question number: 432
Question
A cylinder and a cone have the same height and same radius of the base. The ratio between the volumes of the cylinder and the cone is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 433
Question
The edge of a cube is 20 cm. how many small cubes of 5 cm edge can be formed from this cube?
Choices
Choice (4)  Response  

a.  32 

b.  64 

c.  100 

d.  4 

Question number: 434
Question
A corn cob somewhat like a cone, has the radius of the broadest end as 2.1 cm and length as 20 cm. If each 1 cm ^{2} of the surface of the cob carries an average of 3 grains, find how many grains you would find on the entire cob?
Choices
Choice (4)  Response  

a.  670 grains 

b.  881 grains 

c.  980 grains 

d.  550 grains 
