1. Number Systems Mathematics Exercise - 1.1 class 9 Maths in English - CBSE Study
NCERT Solutions for Class 9 Mathematics are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 1. Number Systems with detailed explanations and step-by-step answers for better exam preparation. Each Exercise 1.1 is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 9 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Mathematics.
Class 9 English Medium Mathematics All Chapters:
1. Number Systems
1. Exercise 1.1
Exercise:1.1
Q1. Is zero a rational number? Can you write it in the form p/q, where p and q are integers and q ≠ 0?
Solution:
Yes, zero is a rational number, because it can be represented on a number line and it can be written in the form of p/q,
Where P = 0 and q ≠ 0;


Q4. 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) Every natural number is a whole number. (True)
Reason: Whole numbers contains all natural numbers.
(ii) Every integer is a whole number. (False)
Reason: Integers have also negative number while whole number does not have such negative numbers.
(iii) Every rational number is a whole number. (False)
Reason: Rational numbers have variety of numbers, those numbers can not be represented as whole number.
Topic Lists: