The document contains NCERT solutions for Chapter 1 of Class 9 Mathematics, focusing on the number system. It addresses key questions such as whether zero is a rational number and provides examples of rational numbers between 3 and 4, along with true/false statements regarding natural, whole, and rational numbers. The content serves as a study aid for students learning about number properties.

1. CLASS 9
MATHS CH 1
NCERT SOLUTIONS

2. Class 9 Chapter Number System 2

3. Q1. IS ZERO A RATIONAL NUMBER ? CAN YOU
WRITE IT IN THE FORM
𝑝
𝑞
?
Class 9 Chapter Number System 3

4. Q2. FIND SIX RATIONAL NUMBERS B/W 3 & 4
Class 9 Chapter Number System 4

5. Q4. STATE WHETHER THE FOLLOWING STATEMENTS
ARE TRUE OR FALSE . GIVE REASON.
(1) EVERY NATURAL NUMBER IS A WHOLE NUMBER .
Class 9 Chapter Number System 5

6. (2) EVERY INTEGER IS A WHOLE NUMBER .
Class 9 Chapter Number System 6

7. (3) EVERY RATIONAL NUMBER IS A WHOLE
NUMBER .
Class 9 Chapter Number System 7

8. Class 9 Chapter Number System 8