# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 427 - 434 of 1042

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## Question 427

### Question

MCQ▾

If , then is________.

### Choices

Choice (4)Response

a.

2

b.

3

c.

1

d.

4

## Question 428

### Question

MCQ▾

The quotient when is divided by is________.

### Choices

Choice (4)Response

a.

3q

b.

c.

d.

## Question 429

### Question

MCQ▾

If , find the value of .

### Choices

Choice (4)Response

a.

723

b.

725

c.

727

d.

772

## Question 430

### Question

MCQ▾

What must be subtracted from to get ?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 431

### Question

MCQ▾

The perimeter of a triangle is and two of its sides are and . Find the third side of the triangle.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 432

### Question

MCQ▾

A hoop is resting vertically at staircase as shown in the diagram. AB = 12 cm and BC = 6 cm. The radius of the hoop is________.

### Choices

Choice (4)Response

a.

11 cm

b.

10 cm

c.

12 cm

d.

15 cm

## Question 433

### Question

MCQ▾

Find the surface area of a cylinder with diameter of base 5 cm and height 30 cm.

### Choices

Choice (4)Response

a.

510

b.

610

c.

505

d.

511

## Question 434

### Question

MCQ▾

Two rectangles ABCD and DBEF are as shown in the figure. The area of rectangle DBEF in square units is________.

### Choices

Choice (4)Response

a.

120

b.

140

c.

90

d.

160