# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 431 - 439 of 1022

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## Question number: 431

Edit
MCQ▾

### Question

If , then the value of is ________.

### Choices

Choice (4) Response

a.

b.

8

c.

d.

12

## Question number: 432

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MCQ▾

### Question

A number M exceeds N by 75%. By what percentage is M more than N?

### Choices

Choice (4) Response

a.

75%

b.

65%

c.

30%

d.

25%

## Question number: 433

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MCQ▾

### Question

If , then x is ________.

### Choices

Choice (4) Response

a.

13

b.

12

c.

24

d.

- 12

## Question number: 434

Edit
MCQ▾

### Question

The value of is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 435

Edit
MCQ▾

### Question

By what number should we multiply so that the product may be equal to 27?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 436

Edit
MCQ▾

### Question

If , then the value of is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 437

Edit
MCQ▾

### Question

A contractor employed 90 men to build an office in 30 days. After 10 days, he was joined by 10 more men. In how many days will the remaining work be finished?

### Choices

Choice (4) Response

a.

25 days

b.

18 days

c.

21 days

d.

16 days

## Question number: 438

Edit
MCQ▾

### Question

The number which is multiplied by to obtain a product equal to is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 439

Edit
MCQ▾

### Question

The product of is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.