IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 478 - 484 of 1042

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Question 478

Question

MCQ▾

The ratio of radii of two cylinders is 1: and heights are in the ratio 3: 2. The ratio of their volume is________.

Choices

Choice (4)Response

a.

3: 4

b.

2: 3

c.

1: 4

d.

1: 2

Question 479

Question

MCQ▾

The surface areas of the six faces of a rectangular solid are 6, 6, 8,8, 12 and 12 square centimeters. The volume of the solid, in cubic centimeters is________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 480

Question

MCQ▾

Surface area of a cube with edge = 2 cm is________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 481

Question

MCQ▾

Find the surface area of a cylinder with diameter of base 6 cm and height 40 cm.

Choices

Choice (4)Response

a.

1261

b.

1263

c.

1262

d.

1200

Question 482

Question

MCQ▾

A square garden measuring 6 m on a side is surrounded by a 1.5 m wide path. What is the area of the path?

A Square Garden with 6 M Side Surrounded by 1.5 M Wide Path

Choices

Choice (4)Response

a.

b.

c.

d.

Question 483

Question

MCQ▾

A cylindrical tower is 5 meters in diameter and 10 meters height. The cost of white washing its curved surface at 25 paisa per is

Choices

Choice (4)Response

a.

40

b.

24

c.

37

d.

39

Question 484

Question

MCQ▾

The surface areas of the six faces of a rectangular solid are 1, 1, 9,9, 25 and 25 square centimeters. The volume of the solid, in cubic centimeters is________.

Choices

Choice (4)Response

a.

b.

c.

d.