The set of 3 books - 71 JEE Main Physics, Chemistry & Mathematics Online & Offline Topic-wise Solved Papers provides the last 19 years ONLINE & OFFLINE (2002-20) papers.
The 71 Papers are distributed into around 28, 30 & 28 Chapters exactly following the chapter sequence of the NCERT books of classes 11 and 12.
The questions in each Chapter are further divided into 2-4 topics.