In this edition, I have tried to incorporate previous questions asked by the board in there examination with the answer to cater according to syllabus CBSE, New Delhi. In this edition i have attempted to prepare XII standard student. I have strived to include the new examples and problems that motivate student's applications based on firmly fundamentals. Pedagogy is reintroduced fundamentals that are lifelong learning. I have tried to continue the tradition of providing text that will serve as valuable, everyday resource for students and practicing students throughout their careers.Key Features:Easy understanding of text and numerical.More structural approach to enable the students to learn numerical.