IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 439 - 444 of 1040

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Question number: 439

» Mensuration

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MCQ▾

Question

A child walked 13 m to cross a rectangular field diagonally. If breadth of field is 5 m, its length is________.

Choices

Choice (4) Response

a.

20 m

b.

12 m

c.

11 m

d.

15 m

Question number: 440

» Mensuration

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MCQ▾

Question

The perimeter of a trapezoid is 80 cm and its non-parallel sides are each equal to 17 cm and its altitude is 15 cm. Its area is________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 441

» Mensuration

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MCQ▾

Question

The radii of the bases of two cylinders are in the ratio of 2: 3 respectively and their heights are in the ratio 1: 2 respectively, find the ratio of their volumes.

Choices

Choice (4) Response

a.

3: 4

b.

1: 3

c.

3: 2

d.

2: 3

Question number: 442

» Mensuration

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MCQ▾

Question

Three solid cubes of sides 3 cm, 4 cm and 5 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: 443

» Mensuration

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MCQ▾

Question

Between a square of perimeter 64 cm and a circle of circumference 64 cm, which figure has larger area and by how much?

Choices

Choice (4) Response

a.

Circle, 60

b.

Circle, 70

c.

Square, 70

d.

Question does not provide sufficient data or is vague

Question number: 444

» Mensuration

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MCQ▾

Question

A square garden measuring 5 m on a side is surrounded by a 1 m wide path. What is the area of the path?

 A square garden with 5 m side surrounded by 1 m wide path

A Square Garden with 5 M Side Surrounded by 1 M Wide Path

Find out area of a path of a square garden using given measure

Choices

Choice (4) Response

a.

b.

c.

d.