IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 464 - 470 of 1040

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Question number: 464

» Mensuration

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MCQ▾

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

» Mensuration

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MCQ▾

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

» Mensuration

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MCQ▾

Question

Surface area of a cube with edge = 1.2 cm is________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 467

» Mensuration

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MCQ▾

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.

Question number: 468

» Mensuration

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MCQ▾

Question

The ratio of areas of two squares, one having triple its diagonals than the other is________.

Choices

Choice (4)Response

a.

2: 3

b.

2: 9

c.

9: 1

d.

5: 3

Question number: 469

» Mensuration

Edit
MCQ▾

Question

The ratio of areas of two squares, one having double its diagonals than the other is________.

Choices

Choice (4)Response

a.

4: 1

b.

9: 1

c.

2: 3

d.

2: 9

Question number: 470

» Mensuration

Edit
MCQ▾

Question

Three cubes whose edges are 1 cm, 6 cm, and 8 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.

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