# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 364 - 370 of 1042

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## Question 364

### Question

MCQ▾

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

### Choices

Choice (4)Response

a.

400 ₹

b.

600 ₹

c.

300 ₹

d.

800 ₹

## Question 365

### Question

MCQ▾

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 366

### Question

MCQ▾

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 367

### Question

MCQ▾

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

### Choices

Choice (4)Response

a.

5

b.

4

c.

2

d.

3

## Question 368

### Question

MCQ▾

ABCD is rhombus, with diagonals intersecting at point P. Then, if , then is________.

### Choices

Choice (4)Response

a.

30

b.

40

c.

120

d.

50

## Question 369

### Question

MCQ▾

Sum of the interior angle of quadrilateral is________.

### Choices

Choice (4)Response

a.

180

b.

360

c.

450

d.

120

## Question 370

### Question

MCQ▾

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 %