The book Guide to RRB Junior Engineer Stage I Online Exam - 3rd Edition has 4 sections: General Intelligence & Reasoning, General Awareness, General Science and Mathematics. • Each section is further divided into chapters which contains theory explaining the concepts involved followed by MCQ exercises. • The book provides the past 2014 & 2015 Solved Papers. • The detailed solutions to all the questions are provided at the end of each chapter. • The General Science section provides material for Physics, Chemistry and Biology till class 10.