# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 284 - 290 of 1040

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## Question number: 284

Edit
MCQ▾

### Question

The simple interest at a % for a years will be Rs. 2a on a sum of________.

### Choices

Choice (4) Response

a.

Rs.

b.

Rs.

c.

Rs.

d.

Rs.

## Question number: 285

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MCQ▾

### Question

The exterior angle of a regular polygon is one-fifth of its interior angle. How many sides has the polygon?

### Choices

Choice (4) Response

a.

4

b.

10

c.

8

d.

12

## Question number: 286

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MCQ▾

### Question

Which of the following quadrilateral has four right angles?

### Choices

Choice (4) Response

a.

Square

b.

Rectangle

c.

Rhombus

d.

Square and rectangle

## Question number: 287

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MCQ▾

### Question

If a quadrilateral has all equal sides and parallel opposite sides, it is called________.

### Choices

Choice (4) Response

a.

Parallelogram

b.

Rhombus

c.

Kite

d.

Rectangle

## Question number: 288

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MCQ▾

### Question

The number of sides of a regular polygon whose each interior angle has a measure of is________.

### Choices

Choice (4) Response

a.

6

b.

8

c.

5

d.

3

## Question number: 289

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MCQ▾

### Question

Choose the correct statement.

### Choices

Choice (4) Response

a.

All the sides of rhombus are not congruent.

b.

Only the square have all the angles right angle.

c.

The diagonals of rectangle are not congruent

d.

Rectangle has all the sides equal.

## Question number: 290

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MCQ▾

### Question

In a parallelogram PQRS, if, then the others angles are________.

### Choices

Choice (4) Response

a.

45, 145, 135

b.

45, 125, 135

c.

45, 135, 135

d.

45, 115, 115