Learn All Concepts of Chapter 1 Class 9 - FREE. Check - Chapter 1 Class 9 Maths

Last updated at March 16, 2017 by Teachoo

Transcript

Ex1.1, 3 Find five rational numbers between 3/5 and 4/5 . As we have to find 5 rational numbers, we multiply the numbers by 6/6 3/5 = 3/5 × 6/6 4/5 = 4/5 × 6/6 Therefore, 5 rational numbers between 3/5 and 4/5 (i.e. 18/30 & 24/30 ) are 19/30 , 20/30, 21/30, 22/30, 23/30

Chapter 1 Class 9 Number Systems

Ex 1.1,3
Important
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Ex 1.1,4 Important

Ex 1.2,1 Important

Ex 1.2, 3 Important

Example 7 Important

Example 9 Important

Example 10 Important

Ex 1.3,3 Important

Ex 1.3, 8 Important

Ex 1.3,9 Important

Example 16 Important

Example 19 Important

Ex 1.5,1 Important

Ex 1.5,2 Important

Ex 1.5, 4 Important

Ex 1.5,5 Important

Example 21 Important

Ex 1.6,1

Ex 1.6,2 Important

Ex 1.6,3 Important

Class 9

Important Questions for Exam - Class 9

- Chapter 1 Class 9 Number Systems
- Chapter 2 Class 9 Polynomials
- Chapter 3 Class 9 Coordinate Geometry
- Chapter 4 Class 9 Linear Equations in Two Variables
- Chapter 5 Class 9 Introduction to Euclid's Geometry
- Chapter 6 Class 9 Lines and Angles
- Chapter 7 Class 9 Triangles
- Chapter 8 Class 9 Quadrilaterals
- Chapter 9 Class 9 Areas of parallelograms and Triangles
- Chapter 10 Class 9 Circles
- Chapter 11 Class 9 Constructions
- Chapter 12 Class 9 Herons Formula
- Chapter 13 Class 9 Surface Areas and Volumes
- Chapter 14 Class 9 Statistics
- Chapter 15 Class 9 Probability

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.