Find the Best NCERT Solutions for Class 9 Maths Chapter 1 Number Systems on our website with all the questions and answers. This will help you solve exercises given in Class 9 Maths Chapter 1 easily. You will also learn mathematical concepts and theories of Ch1 Number Systems. Here, you will get important tips π₯ on how to write (1) precise answers (2) without using unnecessary words (3) within ideal length. You will also get to watch How to Solve Videos for FREE in addition to NCERT Solutions for Class 9 Maths Chapter 1.

Use this link β π 9.solutionsir.com for any kind of help in 9th class 2023-24. Click Here for Β» All Chapters: NCERT Solutions for Class 9 Maths.
NCERT Solutions for Class 9 Maths Chapter 1
In this chapter β “Number Systems“, you have studied the following points β‘:
- A number r is called a rational number, if it can be written in the form p/q, where p and q are integers and q β 0.
- A number s is called an irrational number, if it cannot be written in the form p/q, where p and q are integers and q β 0.
- The decimal expansion of a rational number is either terminating or non-terminating recurring. Moreover, a number whose decimal expansion is terminating or non-terminating recurring is rational.
- The decimal expansion of an irrational number is non-terminating non-recurring. Moreover, a number whose decimal expansion is non-terminating non-recurring is irrational.
- All the rational and irrational numbers make up the collection of real numbers.
- If r is rational and s is irrational, then r + s and r β s are irrational numbers, and rs and r/s are irrational numbers, r β 0.
In Chapter 1 Maths Class 9, letβs try to find the answers to questions given in these exercises related Chapter 1 Number Systems β
Exercise 1.1 Solutions
Class 9 Maths Chapter 1 Exercise 1.1 Solutions
Exercise 1.2 Solutions
Class 9 Maths Chapter 1 Exercise 1.2 Solutions
Exercise 1.3 Solutions
Class 9 Maths Chapter 1 Exercise 1.3 Solutions
Exercise 1.4 Solutions
Class 9 Maths Chapter 1 Exercise 1.4 Solutions
Exercise 1.5 Solutions
Class 9 Maths Chapter 1 Exercise 1.5 Solutions