National Mathematics Olympiad Workbook for class 9 is designed to familiarize students with the type of questions coming in Olympiad exams. The Workbook contains chapter-wise multiple choice questions followed by explanations in the end of the book. This is a unique book designed to provide a comprehensive guide to Exemplar Problems for Class 9 students. This book provides a detailed explanation to all subjective and objective type questions. This is an error free and Self-study book to master the concepts in Mathematics. This book aims to give the best solutions and help the students to score high in Board examinations as well as to build a strong foundation for competitive exams.