The revised edition of the book, "Objective Mathematics," is introduced by the reviser, who is an experienced educator and has a deep understanding of the requirements of JEE Main and Advanced examinations. The book aims to provide an engaging and accessible study resource for Mathematics, catering to JEE and other entrance examinations. The content is meticulously structured to cover the syllabus of JEE Main and Advanced Mathematics, as well as various state-level entrance exams. It focuses on building a strong foundation of fundamental concepts while gradually introducing advanced topics and problem-solving strategies. The reviser's expertise in teaching mathematics to JEE aspirants and their role as a Centre Head and Academic Head for a leading national-level institute contribute to the book's comprehensive approach. Each chapter is carefully designed to offer a step-by-step progression, aiding students in developing a robust understanding of the subject and the ability to apply mathematical principles to solve complex problems.