Mensuration (IMO- Mathematics Olympiad (SOF) Class 8): Questions 31 - 37 of 61
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Question number: 31
» Mensuration
Question
Two rectangles ABCD and DBEF are as shown in the figure. The area of rectangle DBEF in square units is________.
Two Rectangles ABCD and DBEF with AB = 5 and AD = 12 Are Given
Find out the area of DBEF using given measure (AB = 5 and AD = 12)
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 40 |
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| b. | 90 |
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| c. | 60 |
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| d. | 70 |
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Question number: 32
» Mensuration
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. | 12 |
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| b. | 25 |
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| c. | 23 |
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| d. | 24 |
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Question number: 33
» Mensuration
Question
The radius of the cylinder whose lateral surface area is 520 and height 5 cm, is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 17 cm |
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| b. | 14 cm |
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| c. | 12 cm |
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| d. | 11 cm |
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Question number: 34
» Mensuration
Question
Surface area of a cube with edge = 1.2 cm is________.
Choices
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Question number: 35
» Mensuration
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
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Question number: 36
» Mensuration
Question
The ratio of areas of two squares, one having triple its diagonals than the other is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 5: 3 |
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| b. | 2: 3 |
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| c. | 2: 9 |
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| d. | 9: 1 |
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Question number: 37
» Mensuration
Question
The ratio of areas of two squares, one having double its diagonals than the other is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 9: 1 |
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| b. | 2: 9 |
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| c. | 2: 3 |
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| d. | 4: 1 |
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