The Staff Selection Commission (SSC) has invited applications for the Combined Graduate Level (CGL) Tier-I (Pre.) Examination 2017 for recruitment to various Group A, Group B and Group C posts. This book has been designed for the aspirants preparing for SSC CGL Tier-I (Pre.) Exam 2017.The revised edition of master study guide for SSC CGL Tier-I (Pre.) Exam 2017 has been divided into four parts namely – General Awareness, Quantitative Aptitude, General Intelligence and Reasoning and English .