# Number System (IMO- Mathematics Olympiad Class 9): Questions 9 - 15 of 103

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## Question number: 9

» Number System

MCQ▾

### Question

The number can be expressed in the form, where p and q are positive integers having no common factors. Then equals________.

### Choices

Choice (4) Response

a.

41

b.

74

c.

725

d.

53

## Question number: 10

» Number System

MCQ▾

### Question

The value of is equal to ________.

### Choices

Choice (4) Response

a.

1

b.

c.

d.

0

## Question number: 11

» Number System

MCQ▾

### Question

If ‘a’ and ‘b’ are rational numbers and , then a = ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 12

» Number System

MCQ▾

### Question

The last digit of the value of the number is________.

### Choices

Choice (4) Response

a.

4

b.

5

c.

1

d.

9

## Question number: 13

» Number System

MCQ▾

### Question

If , find the value of

### Choices

Choice (4) Response

a.

4

b.

23

c.

6

d.

5

## Question number: 14

» Number System

MCQ▾

### Question

The ascending order of the surds is________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 15

» Number System

MCQ▾

### Question

find the value of p and q.

### Choices

Choice (4) Response

a.

-7 and 7

b.

-10 and 10

c.

-4 and 4

d.

-6 and 6

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