Mensuration (IMO Level 1 Mathematics Olympiad (SOF) Class 8): Questions 1  6 of 63
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Question number: 1
» Mensuration
Question
Find the surface area of a cylinder with diameter of base 5 cm and height 30 cm.
Choices
Choice (4)  Response  

a.  510  
b.  610  
c.  505  
d.  511 
Question number: 2
» Mensuration
Question
Two rectangles ABCD and DBEF are as shown in the figure. The area of rectangle DBEF in square units is________.
Choices
Choice (4)  Response  

a.  120  
b.  140  
c.  90  
d.  160 
Question number: 3
» Mensuration
Question
Two cubes have their volumes in the ratio 1: 8. Find the ratio of their surface areas.
Choices
Choice (4)  Response  

a.  1: 4  
b.  7: 9  
c.  1: 9  
d.  5: 3 
Question number: 4
» Mensuration
Question
A child walked 17 m to cross a rectangular field diagonally. If breadth of field is 8 m, its length is________.
Choices
Choice (4)  Response  

a.  15 m  
b.  20 m  
c.  11 m  
d.  12 m 
Question number: 5
» Mensuration
Question
Three cubes whose edges are 3 cm, 4 cm, and 5 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: 6
» Mensuration
Question
If a wire is bent into the shape of a square, then the area of the square is 49 sq. cm. When the wire is bent into a semicircular shape, then the area of the semicircle will be________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
