IMO- Mathematics Olympiad (SOF) Class 8: Questions 466 - 472 of 1029

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Question number: 466

» Mensuration

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

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

5: 3

b.

2: 3

c.

2: 9

d.

9: 1

Question number: 469

» Mensuration

MCQ▾

Question

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

Choices

Choice (4) Response

a.

9: 1

b.

2: 9

c.

2: 3

d.

4: 1

Question number: 470

» Mensuration

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.

Question number: 471

» Mensuration

MCQ▾

Question

What is the ratio of the perimeter of the shaded region to the circumference of the circle?

A circle with center O is given

A Circle With Center O Is Given

Find out the ratio of the perimeter of the shaded region to the circumference of the circle

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 472

» Mensuration

MCQ▾

Question

A quadrilateral whose one diagonal is 4 cm. If the length of altitudes from opposite vertices on the diagonal is 2.5 cm and 1.5 cm, then the area of quadrilateral is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

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