IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 462  467 of 1040
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Question number: 462
Question
Between a square of perimeter 36 cm and a circle of circumference 36 cm, which figure has larger area and by how much?
Choices
Choice (4)  Response  

a.  Square, 22 

b.  Circle, 26 

c.  Circle, 22 

d.  All of the above 

Question number: 463
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.  90 

b.  60 

c.  40 

d.  70 

Question number: 464
Question
A right cylindrical vessel is full with water, how many right cones having half diameter and height as that of right cylinder will be needed to store that water?
Choices
Choice (4)  Response  

a.  23 

b.  24 

c.  25 

d.  12 

Question number: 465
Question
The radius of the cylinder whose lateral surface area is 520 and height 5 cm, is________.
Choices
Choice (4)  Response  

a.  12 cm 

b.  14 cm 

c.  17 cm 

d.  11 cm 

Question number: 466
Question
Surface area of a cube with edge = 1.2 cm is________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 467
Question
Three solid cubes of sides 1 cm, 6 cm and 8 cm are melted to form a new cube. Find the surface area of the cube so formed.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

