The book "IOQM Mathematics" has been meticulously curated for effective preparation of the IOQM examination. It is primarily aimed at fostering a deep understanding of mathematics among students and lay a robust foundation for competitive exams like JEE Main/JEE Advanced. The book is tailored to enrich students' technical knowledge by firmly grounding them in fundamental principles. It encompasses an exhaustive array of formulae. Striking a harmonious blend between comprehensive theory, a variety of Multiple-Choice Questions, and Previous Years? Questions from IOQM. The book offers two sets of exercises brimming with relevant problems related to IOQM and the American Invitational Mathematics Examination (AIME) for strengthening the concepts. The categorization of the questions based on difficulty level, helps the students to tackle the problems from basic to advanced, thereby honing their skills and confidence in the subject.