# Mensuration (IMO- Mathematics Olympiad Class 8): Questions 41 - 46 of 61

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## 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.

## Question number: 44

» Mensuration

MCQ▾

### Question

ABC is a right-angled triangle with. AH is drawn perpendicular to BC where H lies on BC. If AB = 30 cm and AC = 50 cm, then BH = ________.

### Choices

Choice (4) Response

a.

50

b.

42

c.

40

d.

25

## Question number: 45

» Mensuration

MCQ▾

### Question

A right cylindrical vessel is full with water, how many right cones having same diameter and height as that of right cylinder will be needed to store that water?

### Choices

Choice (4) Response

a.

3

b.

4

c.

2

d.

5

## Question number: 46

» Mensuration

MCQ▾

### Question

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.

1: 4

b.

1: 2

c.

3: 4

d.

2: 3

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