# IMO- Mathematics Olympiad Class 6: Questions 618 - 623 of 1049

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## Question number: 618

MCQ▾

### Question

Number of arcs made by the diameter on a circle is ________.

### Choices

Choice (4) Response

a.

3

b.

1

c.

2

d.

4

## Question number: 619

MCQ▾

### Question

A square and a rectangular plot of land have same perimeter. If the square is of side 25 m and rectangle is of width 2 dam. Then area of rectangle is

### Choices

Choice (4) Response

a.

500

b.

600

c.

160

d.

1600

## Question number: 620

MCQ▾

### Question

The number of squares that are required to fill a rectangle of 512 cm by 108 cm if each square is of 8 cm, is

### Choices

Choice (4) Response

a.

752

b.

838

c.

440

d.

864

## Question number: 621

MCQ▾

### Question

A wire is in the shape of a square of perimeter 64 cm. A rectangle is formed with this wire such that its length is 20 cm. Then, the area of the rectangle is

### Choices

Choice (4) Response

a.

240

b.

880

c.

256

d.

None of the above

## Question number: 622

MCQ▾

### Question

Number of line segments possible with four collinear points is ________.

### Choices

Choice (4) Response

a.

5

b.

3

c.

Infinite

d.

6

## Question number: 623

MCQ▾

### Question

A circle is inscribed in a rectangle as shown. If the radius of the circle is 6 cm, then the perimeter of rectangle is

### Choices

Choice (4) Response

a.

24 cm

b.

56 cm

c.

52 cm

d.

58 cm

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