NCERT CBSE Board Solutions for Class 10 All Subject Hindi English, Maths, Science, Social Studies, IP, computer, according to Syllabus 2020-21 Update.

*NCERT Notes and Video Solutions For Class 10 Maths 2020-21*

*NCERT Notes and Video Solutions For Class 10 Maths 2020-21*

**NCERT Notes and Video Solutions For Class 10 Science 2020-21**

**NCERT Notes and Video Solutions For Class 10 Science 2020-21**

**NCERT Solutions for Class 10 maths 2020-21**

**Chapter 1: Real Numbers**

Section Name Topic Name

1 Real Numbers

1.1 Introduction

1.2 Euclid’s Division Lemma

1.3 The Fundamental Theorem of Arithmetic

1.4 Revisiting Irrational Numbers

1.5 Revisiting Rational Numbers and Their Decimal Expansions

1.6 Summary

**Chapter 2: Polynomials**

2.1 – Introduction

2.2 – Geometrical Meaning of the Zeroes of a Polynomial

2.3 – Relationship between Zeroes and Coefficients of a Polynomial

2.4 – Division Algorithm for Polynomials

2.5 – Summary

**Chapter 3: Pair of Linear Equations in Two Variables**

3.1 Introduction

3.2 Pair Of Linear Equations In Two Variables

3.3 Graphical Method Of Solution Of A Pair Of Linear Equations

3.4 Algebraic Methods Of Solving A Pair Of Linear Equations

3.4.1 Substitution Method

3.4.2 Elimination Method

3.4.3 Cross-Multiplication Method

3.5 Equations Reducible To A Pair Of Linear Equations In Two Variables

**Chapter 4: Quadratic Equations**

4.1 Introduction

4.2 Quadratic Equations

4.3 Solution of a Quadratic Equation by Factorisation

4.4 Solution of a Quadratic Equation by Completing the Square

4.5 Nature of Roots

4.6 Summary

**Chapter 5: Arithmetic Progression**

5.1 Introduction

5.2 Arithmetic Progressions

5.3 Nth Term Of An AP

5.4 Sum Of First N Terms Of An AP

5.5 Summary

**Chapter 6: Triangles**

6.1 Introduction

6.2 Similar Figures

6.3 Similarity Of Triangles

6.4 CrIeria For Similarity Of Triangles

6.5 Areas Of Similar Triangles

6.6 Pythagoras Theorem

6.7 Summary

**Chapter 7: Coordinate Geometry**

7.1 Introduction

7.2 Distance Formula

7.3 Section Formula

7.4 Area of a Triangle

7.5 Summary

**Chapter 8: Introduction to Trigonometry**

8.1 Introduction

8.2 Trigonometric Ratios

8.3 Trigonometric Ratios Of Some Specific Angles

8.4 Trigonometric Ratios Of Complementary Angles

8.5 Trigonometric Identities

8.6 Summary

**Chapter 9: Some Applications of Trigonometry**

9.1 Introduction

9.2 Heights And Distances

9.3 Summary

**Chapter 10: Circles**

10.1 Introduction

10.2 Tangent To A Circle

10.3 Number Of Tangents From A Point On A Circle

10.4 Summary

**Chapter 11: Constructions**

11.1 Introduction

11.2 Division Of A Line Segment

11.3 Construction Of Tangents To A Circle

11.4 Summary

**Chapter 12: Area Related to Circles**

12.1 Introduction

12.2 Perimeter And Area Of A Circle – A Review

12.3 Areas Of Sector And Segment Of A Circle

12.4 Areas Of Combinations Of Plane Figures

12.5 Summary

**Chapter 13: Surface Areas and Volumes**

13.1 Introduction

13.2 Surface Area Of A Combination Of Solids

13.3 Volume Of A Combination Of Solids

13.4 Conversion Of Solid From One Shape To Another

13.5 Frustum Of A Cone

13.6 Summary

**Chapter 14: Statistics**

14.1 Introduction

14.2 Mean Of Grouped Data

14.3 Mode Of Grouped Data

14.4 Median Of Grouped Data

14.5 Graphical Representation Of Cumulative Frequency Distribution

14.6 Summary

**NCERT Solutions for Class 10 Science 2020-21**

- Chapter 1: Chemical Reactions and Equations
- Chemical Reactions and Equations
- Change in State (i) Physical Change (ii) Chemical Change
- Chemical Equation and Balanced Chemical Equation
- Types of Chemical Reaction
- i. Combination Reaction
- ii. Decomposition Reaction
- iii. Displacement Reaction
- iv Double Displacement Reaction
- v Redox Reaction

- Corrosion
- Rancidity

- Chapter 2: Acids, Bases, and Salts
- Chapter 3: Metals and Non-Metals
- Chapter 4: Carbon and its Compounds
- Chapter 5: Periodic Classification of Elements
- Chapter 6: Life Processes
- Chapter 7: Control and Coordination
- Chapter 8: How do Organisms Reproduce?
- Chapter 9: Heredity and Evolution
- Chapter 10: Light – Reflection and Refraction
- Chapter 11: Human Eye and Colourful World
- Chapter 12: Electricity
- Chapter 13: Magnetic Effects of Electric Current
- Chapter 14: Sources of Energy
- Chapter 15: Our Environment
- Chapter 16: Management of Natural Resources

**Class 10th Board Exam Old Previous Year Paper**

**Class 10th Board Exam Old Previous Year Paper**

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