This book is caters to the needs of students who aspire to prepare for RRBs & PSBs - Clerk Preliminary Exam and all related competitive examinations. This book contains general intelligence and Reasoning Ability, Arithmetical & Numerical Ability In all sections related descriptions are given with objective multiple choice questions. The most important feature of this book is that we have included a large variety of different types of questions as required by syllabus. However, we have put our best efforts in preparing this book, if any error or whatsoever has been skipped out we have welcomed your suggestions.