This is an English medium chapter-wise Railway maths book. In this book chapter, wise questions with detailed solutions are given of all RRB NTPC 133 shifts which were conducted by Railway in 2020-2021. This book is the only book in the market that provides chapter-wise questions and solutions. There are total 25 chapters in this book. In the book in starting concepts, formulas, and properties wherever applicable are given. After the theoretical part, varieties questions are given which will help in quick revision. Then questions are divided into easy, moderate, and difficult categories, this will help students to know where they stand while preparation. This is a unique book designed by railway exams based on recent TCS papers for the railway. This book will be a great help in all railway exams like RRB NTPC CBT 2, RRB NTPC CBT 1 RRC Group D, ALP & technician, RRB JE, RPF SI, and Constable, Railway Apprentice exams.