Mensuration (IMO Mathematics Olympiad (SOF) Class 8): Questions 38  43 of 61
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Question number: 38
» Mensuration
Question
Three cubes whose edges are 1 cm, 6 cm, and 8 cm respectively are melted without any loss of metal into a single cube. The edge of new cube is________.
Choices
Choice (4)  Response  

a. 


b. 


c. 
 
d. 


Question number: 39
» Mensuration
Question
What is the ratio of the perimeter of the shaded region to the circumference of the circle?
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 40
» Mensuration
Question
A quadrilateral whose one diagonal is 4 cm. If the length of altitudes from opposite vertices on the diagonal is 2.5 cm and 1.5 cm, then the area of quadrilateral is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 41
» Mensuration
Question
The number of surfaces in right circular cylinder is________.
Choices
Choice (4)  Response  

a.  1 

b.  4 

c.  3 

d.  2 

Question number: 42
» Mensuration
Question
If the area of a cylinder with radius r = 1 and height h = 2 is equal to area of a cone with radius r = 1 and height h, the height of the cone is________.
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 43
» Mensuration
Question
A quadrilateral whose one diagonal is 5.5 cm. If the length of altitudes from opposite vertices on the diagonal is 2.5 cm and 3.5 cm, then the area of quadrilateral is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

