Non-negative counting numbers excluding zero are called Natural Numbers.
N = 1, 2, 3, 4, 5, ……….
For more details use the links given below:
Click here → Revision Notes of Number Systems
Exercises of Number System – Class 9th R.D. Sharma Solutions |
| Number System Exercise 1.1 |
| Number System Exercise 1.2 |
| Number System Exercise 1.3 |
| Number System Exercise 1.4 |