Mensuration (IMO- Mathematics Olympiad (SOF) Class 8): Questions 1 - 6 of 61
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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. | 505 |
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| b. | 510 |
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| c. | 511 |
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| d. | 610 |
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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________.
Two Rectangles ABCD and DBEF With AB = 8 and AD = 15 Are Given
Find out the area of DBEF using given measure (AB = 8 and AD = 15)
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 120 |
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| b. | 90 |
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| c. | 160 |
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| d. | 140 |
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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: 9 |
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| b. | 5: 3 |
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| c. | 1: 4 |
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| d. | 7: 9 |
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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. | 12 m |
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| b. | 15 m |
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| c. | 20 m |
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| d. | 11 m |
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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________.
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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 semi-circle will be________.
Choices
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