This study material has been prepared by experienced faculties, subject-matter experts and with the expertise of adda247, keeping the new pattern and challenges of SSC exams in mind. This book has been extensively prepared for the students who are preparing for the Combined Graduateevel (CGL) Tier-I Examination. The book has been updated with theatest pattern. This book will help the students in understanding the structure and format of the exam. The book provides a total of 50 Practice Sets created according to theatest format and guidelines set by Staff Selection Commission. These multiple choice questions taken from actual previous exam papers cover Reasoning, Quantitative Aptitude and Englishanguage. Detailed solutions are provided for each question along with the working neatly explained by the experienced faculty at adda247.