Surface Area and Volumes (IMO Mathematics Olympiad (SOF) Class 9): Questions 5  10 of 104
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Question number: 5
» Surface Area and Volumes
Question
The number of bullets that can be made out of a cube of lead whose edge measures 33 cm, each bullet being 4 cm in diameter is ________.
Choices
Choice (4)  Response  

a.  1072 

b.  3072 

c.  5072 

d.  2072 

Question number: 6
» Surface Area and Volumes
Question
The largest sphere is cut off from a cube of side 5 cm. the volume of the sphere will be ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 7
» Surface Area and Volumes
Question
A rectangle garden is 80 m long and 65 m broad. A path 10 m wide is to be build out around it. Also area of path is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 8
» Surface Area and Volumes
Question
The area of a square inscribed in a semicircle to the area inscribed in a quadrant of the same circle is as________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 9
» Surface Area and Volumes
Question
Squares ABCD and EFGH are congruent, and G is the center of square ABCD. The area of the shaded region in the plane is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 10
» Surface Area and Volumes
Question
27 metal balls each of radius r are melted together to from one big sphere of radius R. Then the ratio of surface area of the big sphere to that of a ball is ________
Choices
Choice (4)  Response  

a.  3 

b.  9 

c. 


d. 

