Welcome to CBSE Class XI Maths Solutions. This Book consists of 16 Chapters Solutions. 1. Sets. 2. Relations and Functions. 3. Trigonometric Functions. 4. Principle of Mathematical Induction. 5. Complex Numbers and Quadratic Equations. 6. Linear Inequalities. 7. Permutations and Combinations. 8. Binomial Theorem. 9. Sequences and Series. 10. Straight Lines.