Book excerpt: The updated 4th edition of the book “31 IBPS RRB Officer Scale 1 & Office Assistant Prelim & Main Year-wise Solved Papers (2013-22)”. # This book contains 31 previous year Solved Papers from 2013 to 2022 of Preliminary and Main exams of the Officer Scale 1 & Office Assistant Exams. # Each Paper covers Reasoning Ability, Quantitative Aptitude, English Language, Computer Awareness and General Awareness. # Out of 31 Solved Papers - 16 Solved Papers (2013 - 2022) of IBPS RRB Officer Scale 1 and 15 Solved Papers (2015 - 2022) of IBPS RRB Office Assistant (Multipurpose) exams are provided. # 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 1 Exams. # 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.