About the book This book is compiled by our experienced authors to fulfil all of your requirements. In the short period of time, you have to answer more questions in examination hall. For this you have to prepare with best efforts. This practice book has 20 practices sets which are complied according to the latest syllabus. Questions of Arithmetic are solved with alternate solutions as well as all the solutions are prepared by easy and convenient methods. Due to this you will be able to understand them easily. We are very confident that with the help of this book There will be more specific skills and more confidence in you to get success in the exam. About the exam Railway Recruitment Boards invite the online application by eligible candidates for the post of Junior Engineer (JE), Junior Engineer (it), dms, CMA. This exam will be based on computer. For these posts, this exam is conducting online first time. This is a single exam for all the Railway Recruitment Boards. This exam will held in two steps after that the process of documents verification/medical examination will also be included.