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BUSINESS MATHEMATICS: Higher Secondary - First Year

Improving your own teaching One way to improve your own teaching is to try new methods and activities in the classroom and then think about how well the activity improved students’ learning. Through trying out new activities and working in different ways, and then reflecting on the lesson and analysing how well students have learned, you can develop the best methods for your students. You can decide to concentrate on one aspect of teaching maths: language, culture, teaching methods, resources or planning. Find the relevant chapter and use it | BUSINESS MATHEMATICS Higher Secondary - First Year Untouchability is a sin Untouchability is a crime Untouchability is inhuman Tamilnadu Textbook Corporation College Road Chennai - 600 006. Government of Tamilnadu First Edition - 2004 Chairperson Thiru. V. THIRUGNANASAMBANDAM Retired Lecturer in Mathematics Govt. Arts College Men Nandanam Chennai - 600 035. Reviewers Thiru. N. RAMESH Selection Grade Lecturer Department of Mathematics Govt. Arts College Men Nandanam Chennai - 600 035. Dr. M.R. SRINIVASAN Reader in Statistics Department of Statistics University of Madras Chennai - 600 005. Thiru. S. GUNASEKARAN Headmaster Govt. Girls Hr. Sec. School Tiruchengode Namakkal Dist. Authors Thiru. S. RAMACHANDRAN Post Graduate Teacher The Chintadripet Hr. Sec. School Chintadripet Chennai - 600 002. Thiru. S.T. PADMANABHAN Post Graduate Teacher The Hindu Hr. Sec. School Triplicane Chennai - 600 005. Thiru. S. RAMAN Post Graduate Teacher Jaigopal Garodia National Hr. Sec. School East Tambaram Chennai - 600 059. Tmt. K. MEENAKSHI Post Graduate Teacher Ramakrishna Mission Hr. Sec. School Main T. Nagar Chennai - 600 017. Thiru. V. PRAKASH Lecturer S.S. Department of Statistics Presidency College Chennai - 600 005. Price Rs. This book has been prepared by the Directorate of School Education on behalf of the Government of Tamilnadu This book has been printed on 60 GSM paper Laser typeset by JOY GRAPHICS Chennai - 600 002. Printed by Preface This book on Business Mathematics has been written in conformity with the revised syllabus for the first year of the Higher Secondary classes. The aim of this text book is to provide the students with the basic knowledge in the subject. We have given in the book the Definitions Theorems and Observations followed by typical problems and the step by step solution. The society s increasing business orientation and the students preparedness to meet the future needs have been taken care of in this book on Business Mathematics. This book aims at an