# NCERT Solutions | Class 9 Maths Chapter 1 Number Systems

NCERT Class 9 Maths Solutions PDF: In this post, we have discussed the solution of the Maths class 9 book which is followed in all CBSE schools. Solutions are given below with proper Explanation and utmost care has been taken to ensure that the solutions are correct. Answers provided will not only help in completing all the assignments but also help students in clearing their concepts. Students can download the solutions by printing the chapters by using the command Ctrl+P in google chrome and saving it in PDF format. All the best !! Please support us by sharing this website with your school friends.

## Exercise 1.5 Class 9 Maths Chapter 1 Number Systems

1. Classify the following numbers as rational or irrational:

2. Simplify each of the following expressions:

3. Recall, π is defined as the ratio of the circumference (say c) of a circle to its diameter (say d). That is, π = c/d. This seems to contradict the fact that π is irrational. How will you resolve this contradiction?

4. Represent √9.3 on the number line.

5. Rationalise the denominators of the following: