1. '15 Years' IIT JEE Solved Papers' provides solid practice, strong and strong grip on concepts 2. Provides solved papers [2020-2006] IIT JEE (JEE Main & Advanced) for practice. 3. Inculcates problem solving skills in students 4. Builds the concept deeply from the basic level for better understanding Preparing for IIT JEE (Main & Advanced) already creates an intense atmosphere among students who are appearing in it. This revised edition of '15 years Solved Papers [2010 -2006] IIT JEE (Mains & Advanced)' is cautiously designed to improve the problem-solving skills in students. As the name of the book suggests, these previous years' unsolved papers from 2006 to 2020 provides thorough practice. Through unsolved papers this book helps students to test their knowledge complete which builds enough confidence to tackle the papers in the examination hall. With the help of these Years Solved papers, this book helps to build trust for getting success out of upcoming IIT JEE Exam 2021. TABLE OF CONTENT Unsolved Questions Papers [2006-2020]