IMO- Mathematics Olympiad Class 8: Questions 467 - 472 of 1029

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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.

Equation

b.

Equation

c.

Equation

d.

Equation

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.

Equation

b.

Equation

c.

Equation

d.

Equation

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.

Equation

b.

Equation

c.

Equation

d.

Equation

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.

Equation

b.

Equation

c.

Equation

d.

Equation

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