# Surface Area and Volumes (IMO- Mathematics Olympiad (SOF) Class 9): Questions 5 - 10 of 104

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## Question number: 5

» Surface Area and Volumes

MCQ▾

### Question

The number of bullets that can be made out of a cube of lead whose edge measures 33 cm, each bullet being 4 cm in diameter is ________.

### Choices

Choice (4) Response

a.

1072

b.

3072

c.

5072

d.

2072

## Question number: 6

» Surface Area and Volumes

MCQ▾

### Question

The largest sphere is cut off from a cube of side 5 cm. the volume of the sphere will be ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 7

» Surface Area and Volumes

MCQ▾

### Question

A rectangle garden is 80 m long and 65 m broad. A path 10 m wide is to be build out around it. Also area of path is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 8

» Surface Area and Volumes

MCQ▾

### Question

The area of a square inscribed in a semicircle to the area inscribed in a quadrant of the same circle is as________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 9

» Surface Area and Volumes

MCQ▾

### Question

Squares ABCD and EFGH are congruent, and G is the center of square ABCD. The area of the shaded region in the plane is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 10

» Surface Area and Volumes

MCQ▾

### Question

27 metal balls each of radius r are melted together to from one big sphere of radius R. Then the ratio of surface area of the big sphere to that of a ball is ________

### Choices

Choice (4) Response

a.

3

b.

9

c.

d.

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