Solutions of all previous GATE questions are already available. Every year about 20 % of questions will have repetitive nature, However, rest of the questions are from untapped areas (never asked areas). Keeping this in view, possible questions are prepared in various subjects (chapter wise) along with their hints/solutions. The student is advised to practice the questions systematically so that their chances of getting high score in GATE EXAM will increase. It is believed that this book is a valuable aid to the students appearing for competitive exams such as ISRO and other PSU’s. This book can also be used by new teachers in engineering to improve their concepts.