NCERT Solutions for Class 9 Maths Chapter 1 Number Systems Ex 1.1 are part of NCERT Solutions for Class 9 Maths. Here we have given NCERT Solutions for Class 9 Maths Chapter 1 Number Systems Ex 1.1.

- Number Systems Class 9 Ex 1.1
- Number Systems Class 9 Ex 1.2
- Number Systems Class 9 Ex 1.3
- Number Systems Class 9 Ex 1.4
- Number Systems Class 9 Ex 1.5
- Number Systems Class 9 Ex 1.6

Board |
CBSE |

Textbook |
NCERT |

Class |
Class 9 |

Subject |
Maths |

Chapter |
Chapter 1 |

Chapter Name |
Number Systems |

Exercise |
Ex 1.1 |

Number of Questions Solved |
4 |

Category |
NCERT Solutions |

## NCERT Solutions for Class 9 Maths Chapter 1 Number Systems Ex 1.1

**Ex 1.1 Class 9 Maths Question 1.**

Is zero a rational number? Can you write it in the form , where p and q are integers and q ≠ 0?

**Solution:**

Yes, zero is a rational number.

Zero can be written in any of the following forms :

Thus, 0 can be written as , where p = 0 and q is any non-zero integer.

Hence, 0 is a rational number.

**Ex 1.1 Class 9 Maths Question 2.**

Find six rational numbers between 3 and 4.

**Solution:**

The rational numbers between 3 and 4.

**Ex 1.1 Class 9 Maths Question 3.**

Find five rational numbers between and .

**Solution:**

Since we want 5 rational numbers between and , so we write

**Ex 1.1 Class 9 Maths Question 4.**

**State whether the following statements are true or false. Give reasons for your answers**.

- Every natural number is a whole number.
- Every integer is a whole number.
- Every rational number is a whole number.

**Solution:**

**(1) True:** Every natural number lies in the collection of whole numbers.

**(2) False:** -3 is not a whole number.

**(3) False:** is not a whole number.

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