# IMO- Mathematics Olympiad (SOF) Class 7: Questions 443 - 451 of 1012

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## Question number: 443

MCQ▾

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 444

MCQ▾

### Choices

Choice (4) Response

a.

729

b.

c.

- 729

d.

## Question number: 445

MCQ▾

### Question

0 mangoes are bought for Rs. 11 and 11 mangoes are sold for Rs. 10. The gain (or) loss percent is ________.

### Choices

Choice (4) Response

a.

21 % gain

b.

11 % loss

c.

11 % gain

d.

21 % loss

## Question number: 446

MCQ▾

### Question

A factor of is ________.

### Choices

Choice (4) Response

a.

b.

c.

3

d.

All a. , b. and c. are correct

## Question number: 447

MCQ▾

### Question

Subtract the sum of and from -4 is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 448

MCQ▾

### Question

If , then x is ________.

### Choices

Choice (4) Response

a.

1

b.

2

c.

3

d.

4

## Question number: 449

MCQ▾

### Question

A man sells two horses for Rs. 4000 each, neither losing nor gaining in the deal. If he sold one horse at a gain of 25%, the other horse is sold at a loss of ________.

### Choices

Choice (4) Response

a.

b.

47%

c.

d.

50%

## Question number: 450

MCQ▾

### Question

Which of the following numbers is in the scientific notation?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 451

MCQ▾

### Question

By what number should be divided so that the quotient is ?

### Choices

Choice (4) Response

a.

3

b.

4

c.

d.