# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 364 - 370 of 1040

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## Question number: 364

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MCQ▾

### Question

If 5 % more is gained by selling an article for Rs. 320 than by selling it for Rs. 300 then the cost of the article is ________.

### Choices

Choice (4) Response

a.

400 Rs.

b.

600 Rs.

c.

300 Rs.

d.

800 Rs.

## Question number: 365

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MCQ▾

### Question

Simple interest on a certain amount is of the principal. If the numbers representing the rate of interest in percent and time in years be equal, then time, for which the principal is lent out, is________

### Choices

Choice (4) Response

a.

5 years

b.

6.66 years

c.

6 years

d.

9 years

## Question number: 366

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MCQ▾

### Question

PQRS is a rhombus in which the altitude from Q to side PS bisects PS. Then is________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 367

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MCQ▾

### Question

In what time will Rs. 125 amount to Rs. 216 at 20 % p. a. , if the interest is compounded annually?

### Choices

Choice (4) Response

a.

5

b.

4

c.

2

d.

3

## Question number: 368

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MCQ▾

### Question

ABCD is rhombus, If, then is________.

### Choices

Choice (4) Response

a.

30

b.

40

c.

120

d.

50

## Question number: 369

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MCQ▾

### Question

Sum of the interior angle of quadrilateral is________.

### Choices

Choice (4) Response

a.

180

b.

360

c.

450

d.

120

## Question number: 370

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MCQ▾

### Question

If a merchant estimates his profit as 25 % of the selling price, what is the profit percent?

### Choices

Choice (4) Response

a.

35%

b.

33.33%

c.

30.33%

d.

30%