This book “IBPS RRB Officer Scale 1 & Office Assistant Prelim & main 19 year-wise solved papers (2013-19)” contains 19 Previous Year solved papers of year from 2013 to 2019 of Preliminary and Main Exams. It covers Reasoning Ability, Quantitative Aptitude, English Language, computer awareness and General Awareness. Out of 19 solved Papers - 10 Solved Papers (2013-2019) of IBPS RRB Officer Scale 1 and 9 Solved Papers (2015-2019) of IBPS RRB Office Assistant (Multipurpose) exams which will help the student understand the level and type of questions asked in previous year IBPS RRB Officer Scale 1 and Office Assistant (Multipurpose) exams. The solutions provided in the book are very well explained, easy to understand and detailed. The book is useful for students who are appearing for IBPS RRB Office Assistant (Multipurpose) and IBPS RRB Officer Scale 1Exams. The strength of the book lies in the originality of its question papers and Errorless Solutions. The solution of each and every question is provided in detail (step-by-step) so as to provide 100% concept clarity to the students.