Surface Area and Volumes (IMO Mathematics Olympiad Class 9): Questions 37  41 of 104
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Question number: 37
» Surface Area and Volumes
Question
The volume of a sphere is the curved surface of its sphere is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 38
» Surface Area and Volumes
Question
The area of a quadrilateral PQRS, in which , is an equilateral triangles of side 12 cm and is________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 39
» Surface Area and Volumes
Question
If the altitude of an equilateral triangle is , its area is ________
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 40
» Surface Area and Volumes
Question
A bus stop is barricaded from the remaining part of the road, by using 75 hollow cones made of recycled cardboard. Each cone has a base diameter of 60 cm and height 1 m. If the outer side of each of the cones is to be painted and the cost of painting is Rs. 17 per m^{2}, what will be the cost of painting all these cones? (Use and take )
Choices
Choice (4)  Response  

a.  Rs. 1645 

b.  Rs. 1742 

c.  Rs. 1224 

d.  Rs. 1586 

Question number: 41
» Surface Area and Volumes
Question
The volume of the largest circular cone that can be cut of a cube whose edge is 8 cm is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

