# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 422 - 430 of 1022

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## Question number: 422

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MCQ▾

### Question

If , then the incorrect expression from the following is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 423

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MCQ▾

### Question

The value of is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 424

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MCQ▾

### Question

is equal to ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 425

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MCQ▾

### Question

By what number should we multiply so that the product may be equal to 64?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 426

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MCQ▾

### Question

Two numbers are 20 % and 25 % less than a third number respectively. How much % is the second number less than the first?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 427

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MCQ▾

### Question

The value of x, for which is ________.

### Choices

Choice (4) Response

a.

1

b.

9

c.

2

d.

3

## Question number: 428

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MCQ▾

### Question

The value is ________.

### Choices

Choice (4) Response

a.

- 1

b.

0

c.

2

d.

1

## Question number: 429

Edit
MCQ▾

### Question

A man sold 10 eggs for 5 rupees and gained 20%. How many eggs did he buy for 5 rupees?

### Choices

Choice (4) Response

a.

16

b.

25

c.

12

d.

14

## Question number: 430

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MCQ▾

If , then x =?

### Choices

Choice (4) Response

a.

b.

c.

2

d.