Every significant and significant subject taught at the undergraduate level in an engineering institution is covered in this book. To aid the reader in understanding the foundational concepts and grasping the reasoning, each problem has been thoroughly addressed and provided with copious line diagrams. This book can be used to prepare for all academic exams as well as for competitions. As a result, the reader should be better able to approach difficulties with confidence and success by being able to visualise the patterns of problems as well as the scope and level of complexity of solving the questions that are likely to be asked in the test.