# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 642 - 647 of 1059

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## Question 642

### Question

MCQ▾

The length of a rectangle is of its breadth. If its area is 72 , its perimeter will be

### Choices

Choice (4)Response

a.

36 m

b.

56 m

c.

12 m

d.

24 m

## Question 643

### Question

MCQ▾

Which of the following is true?

(i) A sector is the region in the interior of a circle enclosed by an arc on one side and a pair of radii on the other two sides.

(ii) A segment of a circle, is region in the interior of the circle enclosed by an arc and a chord.

### Choices

Choice (4)Response

a.

(i) & (ii)

b.

Only (i)

c.

Only (ii)

d.

Neither (i) nor (ii)

## Question 644

### Question

MCQ▾

The number of tiles that are required to fill an area of 125 m by 215 m if each tile is of 5 cm by 25 cm, is

### Choices

Choice (4)Response

a.

230

b.

215

c.

185

d.

325

## Question 645

### Question

MCQ▾

A student is making some cards for a project from a thick sheet of 112 cm by 198 cm if each card requires a piece of sheet of size 8 cm by 6 cm, is

### Choices

Choice (4)Response

a.

264

b.

462

c.

397

d.

414

## Question 646

### Question

MCQ▾

Number of arcs made by a chord on a circle is ________.

### Choices

Choice (4)Response

a.

2

b.

1

c.

4

d.

3

## Question 647

### Question

MCQ▾

A runner takes 3 rounds of a squared park of 300 dm. Then the total distance covered by him is

### Choices

Choice (4)Response

a.

250 m

b.

360 m

c.

125 m

d.

720 m