This book is caters to the needs of students who aspire to prepare for Employees' Provident Fund Organisation (EPFO) - Preliminary Examination - Social Security Assistant Exam and all related competitive examinations. This book contains Reasoning Quantitative Aptitude and English Language. 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.