Mensuration (IMO Level 1- Mathematics Olympiad (SOF) Class 8): Questions 1 - 6 of 63

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Question number: 1

» Mensuration

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MCQ▾

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

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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

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

b.

140

c.

90

d.

160

Question number: 3

» Mensuration

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MCQ▾

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

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MCQ▾

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

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MCQ▾

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

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MCQ▾

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

Choice (4) Response

a.

b.

c.

d.

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