RS Aggarwal Solutions Class 7 Maths Chapter 4 Rational Numbers (Updated For 2024)

RS Aggarwal Solutions Class 7 Maths Chapter 4 Rational Numbers: You can score excellently in your Class 7 Maths exam by studying the RS Aggarwal Solutions Class 7 Maths. All the solutions of RS Aggarwal Solutions Class 7 Maths Chapter 4 Rational Numbers are as per the current CBSE Syllabus, easy to understand, well-explained, and very credible, thanks to the subject matter experts.

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RS Aggarwal Solutions Class 7 Maths Chapter 4 – Rational Numbers

RS Aggarwal Solutions Class 7 Maths Chapter 4 Rational Numbers – Overview

• Rational Number

A number that can be expressed in the form of p/q where q ≠ 0 is called a rational number. Eg: 1/3, 50/34, 72/99, etc. A rational number can be positive, negative, and zero as well as expressed in the form of a fraction. Hence, all the whole numbers are rational numbers.

• Properties Of Rational Numbers

• Closure Property: A+B=B+A

 A*B=B*A

• Associative Property: A+(B+C)=(A+B)+C

(A*B)*C= A*(B*C)

• Distributive Property: A*(B+C)=A*B+A*C

• Standard Form Of Rational Numbers

When the denominators and numerators of a rational number have only a common factor of 1, it is said to be standard.

For example; 24/120, a rational number with the numerator and denominator are 24 and 120 respectively, have more than 1 common factor. When 24/48 is simplified, we get ½ which is in standard form. ½ is in standard form since 1 and 2 have no common factor other than 1.

• Difference b/w Positive and negative Rational Numbers

• Multiplicative Inverse Of Rational Numbers

The multiplicative inverse of a rational number is the reciprocal of a given rational number. So, the multiplication of the rational number and the multiplicative inverse should always be equal to 1.

• Additive Inverse Of Rational Numbers

The additive inverse of a rational number is the number when added to the rational number gives a zero. So, the additive inverse of a rational number is negative of that rational number. 

• Difference b/w Rational and Irrational Numbers

Rational Numbers	Irrational Numbers
Definition: A rational number is defined as a number that can be expressed in the form of p/q where q ≠ 0.	Definition: A rational number is defined as a number that cannot be expressed in the form of p/q.
It includes only the decimals that are finite and are recurring.	It includes the number that is non-terminating or non-recurring.
Example: 10/13, 1.4444, 1.12346….	Example: √ 55, √ 5, √ 34

RS Aggarwal Solutions Class 7 Maths Chapter 4 Rational Numbers – Important Exercises

RS Aggarwal Solutions Class 7 Maths Chapter 4 Ex 4.1

RS Aggarwal Solutions Class 7 Maths Chapter 4 Ex 4.2

RS Aggarwal Solutions Class 7 Maths Chapter 4 Ex 4.3

RS Aggarwal Solutions Class 7 Maths Chapter 4 Ex 4.4

RS Aggarwal Solutions Class 7 Maths Chapter 4 Ex 4.5

RS Aggarwal Solutions Class 7 Maths Chapter 4 Ex 4.6

RS Aggarwal Solutions Class 7 Maths Chapter 4 Ex 4.7

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