Surface Area and Volumes (IMO Mathematics Olympiad Class 9): Questions 98  103 of 104
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Question number: 98
» Surface Area and Volumes
Question
The largest sphere is cut off from a cube of side 12 cm. the volume of the sphere will be ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 99
» Surface Area and Volumes
Question
The altitude drawn to the base of an isosceles triangle is of length 12 cm and the perimeter is 96 cm. the area of the triangle is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 100
» Surface Area and Volumes
Question
A rectangular field has its length and breadth in the ratio . Its area is 0.9 hectares. The cost of fencing it at RS. 10 per meter is ________
Choices
Choice (4)  Response  

a.  Rs. 6200 

b.  Rs. 7400 

c.  Rs. 4200 

d.  Rs. 5200 

Question number: 101
» Surface Area and Volumes
Question
The edge of a cube is 25 cm. how many small cubes of 5 cm edge can be formed from this cube?
Choices
Choice (4)  Response  

a.  180 

b.  148 

c.  125 

d.  164 

Question number: 102
» Surface Area and Volumes
Question
A covered wooden box has the inner measures as 95 cm, 120 cm, 30 cm and the thickness of wood is 7 cm. then the volume of the wood is________
Choices
Choice (4)  Response  

a.  3, 66, 400 cu. Cm 

b.  3, 00, 664 cu. Cm 

c.  6, 64, 000 cu. Cm 

d.  3, 64, 000 cu. Cm 

Question number: 103
» Surface Area and Volumes
Question
In the given figure, ABCD and AEFC are square. △ABG is a right angled triangle. If △ABG has an area , then the area of polygon AEFCD is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

