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CBSE · Class 12 & Class 11 & Class 9

NCERT Solutions

All 2,849 exercises from the NCERT textbooks, with 2,843 worked through so far — the method, not just the answer, and NCERT’s own printed answer beside it wherever the book gives one.

Class 12 Mathematics

13 chapters · 952 exercises

NCERT's printed answer shown beside the working wherever the book gives one.

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Class 12 Chemistry

10 chapters · 272 exercises

Worked solutions to every textbook exercise.

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Class 12 Biology

13 chapters · 179 exercises

Worked solutions to every textbook exercise.

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Class 12 Physics

14 chapters · 159 exercises

Every numerical answer checked against the answer NCERT prints in its own appendix.

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Class 11 Mathematics

14 chapters · 623 exercises

NCERT's printed answer shown beside the working wherever the book gives one.

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Class 11 Chemistry

9 chapters · 373 exercises

Worked solutions to every textbook exercise.

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Class 9 Mathematics

8 chapters · 291 exercises

NCERT's printed answer shown beside the working wherever the book gives one.

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Class 12 Mathematics — all chapters

  1. 1Relations and Functions
  2. 2Inverse Trigonometric Functions
  3. 3Matrices
  4. 4Determinants
  5. 5Continuity and Differentiability
  6. 6Application of Derivatives
  7. 7Integrals
  8. 8Application of Integrals
  9. 9Differential Equations
  10. 10Vector Algebra
  11. 11Three Dimensional Geometry
  12. 12Linear Programming
  13. 13Probability

Class 12 Chemistry — all chapters

  1. 1Solutions
  2. 2Electrochemistry
  3. 3Chemical Kinetics
  4. 4The d-and f-Block Elements
  5. 5Coordination Compounds
  6. 6Haloalkanes and Haloarenes
  7. 7Alcohols, Phenols and Ethers
  8. 8Aldehydes, Ketones and Carboxylic Acids
  9. 9Amines
  10. 10Biomolecules

Class 12 Biology — all chapters

  1. 1Sexual Reproduction in Flowering Plants
  2. 2Human Reproduction
  3. 3Reproductive Health
  4. 4Principles of Inheritance and Variation
  5. 5Molecular Basis of Inheritance
  6. 6Evolution
  7. 7Human Health and Disease
  8. 8Microbes in Human Welfare
  9. 9Biotechnology : Principles and Processes
  10. 10Biotechnology and its Applications
  11. 11Organisms and Populations
  12. 12Ecosystem
  13. 13Biodiversity and Conservation

Class 12 Physics — all chapters

  1. 1Electric Charges and Fields
  2. 2Electrostatic Potential and Capacitance
  3. 3Current Electricity
  4. 4Moving Charges and Magnetism
  5. 5Magnetism and Matter
  6. 6Electromagnetic Induction
  7. 7Alternating Current
  8. 8Electromagnetic Waves
  9. 9Ray Optics and Optical Instruments
  10. 10Wave Optics
  11. 11Dual Nature of Radiation and Matter
  12. 12Atoms
  13. 13Nuclei
  14. 14Semiconductor Electronics: Materials, Devices and Simple Circuits

Class 11 Mathematics — all chapters

  1. 1Sets
  2. 2Relations and Functions
  3. 3Trigonometric Functions
  4. 4Complex Numbers and Quadratic Equations
  5. 5Linear Inequalities
  6. 6Permutations and Combinations
  7. 7Binomial Theorem
  8. 8Sequences and Series
  9. 9Straight Lines
  10. 10Conic Sections
  11. 11Introduction to Three Dimensional Geometry
  12. 12Limits and Derivatives
  13. 13Statistics
  14. 14Probability

Class 11 Chemistry — all chapters

  1. 1Some Basic Concepts of Chemistry
  2. 2Structure of Atom
  3. 3Classification of Elements and Periodicity in Properties
  4. 4Chemical Bonding and Molecular Structure
  5. 5Thermodynamics
  6. 6Equilibrium
  7. 7Redox Reactions
  8. 8Organic Chemistry – Some Basic Principles and Techniques
  9. 9Hydrocarbons

Class 9 Mathematics — all chapters

  1. 1Orienting Yourself: The Use of Coordinates
  2. 2Introduction to Linear Polynomials
  3. 3The World of Numbers
  4. 4Exploring Algebraic Identities
  5. 5I’m Up and Down, and Round and Round
  6. 6Measuring Space: Perimeter and Area
  7. 7The Mathematics of Maybe: Introduction to Probability
  8. 8Predicting What Comes Next: Exploring Sequences and Progressions

Looking for board papers instead? Every CBSE past-paper question, 2022–2026, with the board’s own marking-scheme answer.