NCERT Solutions Class 9 Maths Chapter 1 Number Systems Exercise 1.1 are provided here. We have prepared this NCERT Maths solution chapter wise, so that it helps students to solve the problems easily while using it as a reference.
They also focus on creating solutions for these exercises in such a way that it is easy to understand for the students. The first exercise in Number Systems Exercise 1.1 is the introduction. They provide a detailed and stepwise explanation of each answer to the questions given in the exercises in the NCERT textbook for Class 9.
The solutions are always prepared by following NCERT guidelines, so that it covers the whole syllabus accordingly. These are very helpful in scoring well in CBSE examinations.
NCERT Solutions for Class 9 Maths Chapter-1 Number System 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?
Sol. Yes. 0= 0/1, 0/2, 0/3, etc., denominator ‘q’ can also be taken as a negative integer.
Q2. Find six rational numbers between 3 and 4.
Sol. To find six rational numbers between 3 and 4.
Multiply and Divide 3 and 4 by 7.
we get
Q3. Find five rational numbers between 3/5and 4/5.
Sol. To find five rational numbers between 3/5 and 4/5.
Multiply and Divide 3 and 4 by 6.
we get
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.
Sol. (i) True, Whole Number is the collection of all-natural numbers.
(ii) False, Negative integers are not whole numbers.
(iii) False, ½, ⅛, etc. are not whole numbers.
NCERT Solutions for Class 9 Maths Chapter 1 Number System (Hindi Medium) Exercise 1.1
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