Mathematics (Textbook for Class XI)
Chapter 1: SetsUnit-I: Sets and Functions
- 1.1 Introduction
- 1.2 Sets and their Representations
- 1.3 The Empty Set
- 1.4 Finite and Infinite Sets
- 1.5 Equal Sets
- 1.6 Subsets
- 1.7 Universal Set
- 1.8 Venn Diagrams
- 1.9 Operations on Sets
- 1.10 Complement of a Set
- Miscellaneous Exercise
- Summary
- Historical Note
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 2: Relations and FunctionsUnit-I: Sets and Functions
- 2.1 Introduction
- 2.2 Cartesian Products of Sets
- 2.3 Relations
- 2.4 Functions
- Miscellaneous Exercise
- Summary
- Historical Note
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 3: Trigonometric FunctionsUnit-I: Sets and Functions
- 3.1 Introduction
- 3.2 Angles
- 3.3 Trigonometric Functions
- 3.4 Trigonometric Functions of Sum and Difference of Two Angles
- Miscellaneous Exercise
- Summary
- Historical Note
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 4: Complex Numbers and Quadratic EquationsUnit-II: Algebra
- 4.1 Introduction
- 4.2 Complex Numbers
- 4.3 Algebra of Complex Numbers
- 4.4 The Modulus and the Conjugate of a Complex Number
- 4.5 Argand Plane and Polar Representation
- Miscellaneous Exercise
- Summary
- Historical Note
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 5: Linear InequalitiesUnit-II: Algebra
- 5.1 Introduction
- 5.2 Inequalities
- 5.3 Algebraic Solutions of Linear Inequalities in One Variable and their Graphical Representation
- Miscellaneous Exercise
- Summary
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 6: Permutations and CombinationsUnit-II: Algebra
- 6.1 Introduction
- 6.2 Fundamental Principle of Counting
- 6.3 Permutations
- 6.4 Combinations
- Miscellaneous Exercise
- Summary
- Historical Note
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 7: Binomial TheoremUnit-II: Algebra
- 7.1 Introduction
- 7.2 Binomial Theorem for Positive Integral Indices
- Miscellaneous Exercise
- Summary
- Historical Note
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 8: Sequences and SeriesUnit-II: Algebra
- 8.1 Introduction
- 8.2 Sequences
- 8.3 Series
- 8.4 Geometric Progression (G.P.)
- 8.5 Relationship Between A.M. and G.M
- Miscellaneous Exercise
- Summary
- Historical Note
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 9: Straight LinesUnit-III: Coordinate Geometry
- 9.1 Introduction
- 9.2 Slope of a Line
- 9.3 Various Forms of the Equation of a Line
- 9.4 Distance of a Point From a Line
- Miscellaneous Exercise
- Summary
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 10: Conic SectionsUnit-III: Coordinate Geometry
- 10.1 Introduction
- 10.2 Sections of a Cone
- 10.3 Circle
- 10.4 Parabola
- 10.5 Ellipse
- 10.6 Hyperbola
- Miscellaneous Exercise
- Summary
- Historical Note
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 11: Introduction to Three Dimensional GeometryUnit-III: Coordinate Geometry
- 11.1 Introduction
- 11.2 Coordinate Axes and Coordinate Planes in Three Dimensional Space
- 11.3 Coordinates of a Point in Space
- 11.4 Distance between Two Points
- Miscellaneous Exercise
- Summary
- Historical Note
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 12: Limits and DerivativesUnit-IV: Calculus
- 12.1 Introduction
- 12.2 Intuitive Idea of Derivatives
- 12.3 Limits
- 12.4 Limits of Trigonometric Functions
- 12.5 Derivatives
- Miscellaneous Exercise
- Summary
- Historical Note
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 13: StatisticsUnit-V: Statistics and Probability
- 13.1 Introduction
- 13.2 Measures of Dispersion
- 13.3 Range
- 13.4 Mean Deviation
- 13.5 Variance and Standard Deviation
- Miscellaneous Exercise
- Summary
- Historical Note
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 14: ProbabilityUnit-V: Statistics and Probability
- 14.1 Event
- 14.2 Axiomatic Approach to Probability
- Miscellaneous Exercise
- Summary
- Historical Note
Official NCERT PDF (English) · हिंदी माध्यम PDF
Free sample questions
Three sample questions with answers. Full explanations — and the rest of the question bank — are free to read after you sign up.
Q1. Assertion (A): 3!+4!=7!. Reason (R): n! is the product of the first n natural numbers.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Show answer
Correct answer: D. A is false but R is true.
🔒 The full explanation is free to read after you sign up →
Q2. The length of the interval [-3, 5) is
- 2
- 3
- 8
- 5
Show answer
Correct answer: C. 8
🔒 The full explanation is free to read after you sign up →
Q3. The value of √(-4)×√(-9) (using √(-a)=i√a for a>0) is
- 6
- -6
- 6i
- -6i
Show answer
Correct answer: B. -6
🔒 The full explanation is free to read after you sign up →
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Chapter lists follow the NCERT textbooks as available to us; textbooks are revised from time to time, so confirm on ncert.nic.in.
