# IMO- Mathematics Olympiad Class 9: Questions 507 - 513 of 919

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## Question number: 507

MCQ▾

### Question

In the following letter series how many ’R’s are following by ‘P’, but not preceded by ‘S’?

S R P R Q R S P R P R P O R P S T P O

### Choices

Choice (4) Response

a.

4

b.

3

c.

1

d.

2

## Question number: 508

MCQ▾

### Question

The compound interest on Rs. 200000 at per annum for 2 years 3 months, compound annually is ________

### Choices

Choice (4) Response

a.

Rs. 21050

b.

Rs. 61050

c.

Rs. 17050

d.

Rs. 48050

## Question number: 509

MCQ▾

### Question

The median of the following numbers 25, 27, 21, 23, 24 is________

### Choices

Choice (4) Response

a.

25

b.

21

c.

24

d.

23

## Question number: 510

MCQ▾

### Question

Point of intersection of the line and are

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 511

MCQ▾

### Question

Count the number of triangles in the given figure

### Choices

Choice (4) Response

a.

11

b.

13

c.

12

d.

10

## Question number: 512

MCQ▾

### Question

If a commission of is given on the marked price of a book, the publisher gains . If the commission is increased to, the gain is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 513

MCQ▾

### Question

The following observations have been arranged in the ascending order. If the median of the data 29, 32, 48, 50, x, x + 2, 72, 78, 84, 95 is 63, then the value of x is ________

### Choices

Choice (4) Response

a.

60

b.

61

c.

63

d.

62

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