# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 297 - 304 of 1040

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## Question number: 297

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MCQ▾

### Question

If 5 % more is gained by selling an article for Rs. 510 than by selling it for Rs. 500 then the cost of the article is ________.

### Choices

Choice (4) Response

a.

400 Rs.

b.

200 Rs.

c.

300 Rs.

d.

600 Rs.

## Question number: 298

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MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

Rs.

b.

Rs.

c.

Rs.

d.

Rs.

## Question number: 299

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MCQ▾

### Question

A number decreased by % gives 75. The number is________.

### Choices

Choice (4) Response

a.

80.00

b.

88.23

c.

85.01

d.

80.90

## Question number: 300

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MCQ▾

### Question

A number increased by % gives 30. The number is________.

### Choices

Choice (4) Response

a.

25

b.

17

c.

20

d.

15

## Question number: 301

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MCQ▾

### Question

Sugar is bought at Rs. 18.50 per kg and sold at Rs. 19.00 per kg. The gain percent is________.

### Choices

Choice (4) Response

a.

2.70%

b.

3.00%

c.

3.12%

d.

2.00%

## Question number: 302

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MCQ▾

### Question

A number increased by % gives 22. The number is________.

### Choices

Choice (4) Response

a.

15

b.

17

c.

17.25

d.

16

## Question number: 303

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MCQ▾

### Question

A sum of Rs. 1000 was lent partly at 2 % and partly at 5 % p. a. simple interest. The total interest received after 3 years was Rs. 163. The ratio of the money lent at 2 % to that lent at 5 % is

### Choices

Choice (4) Response

a.

3: 2

b.

3: 7

c.

7: 3

d.

2: 3

## Question number: 304

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MCQ▾

### Question

Suppose ABCD is a quadrilateral. If its diagonals are congruent and bisect each other, then ABCD is________.

### Choices

Choice (4) Response

a.

Square

b.

Rhombus

c.

Equiangular

d.

Rectangle