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.

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

**Question 1.**

**Is zero a rational number? Can you write it in the form \(\frac { p }{ q }\),where p and q are integers and q ≠ 0?**

**Solution:**

Yes, write \(\frac { 0 }{ 1 }\)(where 0 and 1 are integers and q = 1 which is not equal to zero).

**Question 2.**

**Find six rational numbers between 3 and 4.**

**Solution:**

There can be infinitely many rationals between 3 and 4, one way is

**Question 3.**

**Find five rational numbers between \(\frac { 3 }{ 5 }\) and \(\frac { 4 }{ 5 }\).**

**Solution:**

**Question 4.**

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

**(i) Every natural number is a whole number.**

**(ii) Every integer is a whole number.**

**(iii) Every rational number is a whole number.**

**Solution:**

(i) True, because natural numbers are 1, 2, 3, 4 ……….∞ and whole

numbers are 0,1, 2, 3, 4, 5, ……..,∞

or

The collection of whole numbers contain all the natural numbers.

(ii) False (∵ negative integers are not included in the list of whole numbers.)

(iii) False [∵ \(\frac { 1 }{ 3 }\), \(\frac { 6 }{ 7 }\), \(\frac { 10 }{ 19 }\) )are not whole numbers.

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