Mensuration (IMO- Mathematics Olympiad (SOF) Class 8): Questions 38 - 43 of 61

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Question number: 38

» 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: 39

» 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: 40

» 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.

Question number: 41

» Mensuration

MCQ▾

Question

The number of surfaces in right circular cylinder is________.

Choices

Choice (4) Response

a.

1

b.

4

c.

3

d.

2

Question number: 42

» Mensuration

MCQ▾

Question

If the area of a cylinder with radius r = 1 and height h = 2 is equal to area of a cone with radius r = 1 and height h, the height of the cone is________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 43

» Mensuration

MCQ▾

Question

A quadrilateral whose one diagonal is 5.5 cm. If the length of altitudes from opposite vertices on the diagonal is 2.5 cm and 3.5 cm, then the area of quadrilateral is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

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