# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 441 - 446 of 1042

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## Question 441

### Question

MCQ▾

The radii of the bases of two cylinders are in the ratio of 2: 3 respectively and their heights are in the ratio 1: 2 respectively, find the ratio of their volumes.

### Choices

Choice (4)Response

a.

3: 4

b.

1: 3

c.

3: 2

d.

2: 9

## Question 442

### Question

MCQ▾

Three solid cubes of sides 3 cm, 4 cm and 5 cm are melted to form a new cube. Find the surface area of the cube so formed.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 443

### Question

MCQ▾

Between a square of perimeter 64 cm and a circle of circumference 64 cm, which figure has larger area and by how much?

### Choices

Choice (4)Response

a.

Circle, 60

b.

Circle, 70

c.

Square, 70

d.

Question does not provide sufficient data or is vague

## Question 444

### Question

MCQ▾

A square garden measuring 5 m on a side is surrounded by a 1 m wide path. What is the area of the path?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 445

### Question

MCQ▾

The radii of the bases of two cylinders are in the ratio of 3: 4 respectively and their heights are in the ratio 4: 5 respectively, find the ratio of their volumes.

### Choices

Choice (4)Response

a.

3: 20

b.

20: 3

c.

20: 9

d.

9: 20

## Question 446

### Question

MCQ▾

A rectangle field has its length and breadth in the ratio 2: 3. Its area is 3.82 hectares. The cost of fencing it at ₹ 2 per meter is________.

### Choices

Choice (4)Response

a.

₹ 1500

b.

₹ 1100

c.

₹ 1600

d.

₹ 1000