JEE Mains 2020 Paper 1 was moderately difficult and Physics was the most difficult subject while Mathematics and Chemistry were moderately difficult. In Chemistry, quests were asked from Markovnikov reaction, Anti-Markovnikov reaction, ideal gas equations, Thermal expansion, etc. Physics section had questions from Wheatstone bridge and resistance. Trigonometry, Algebra and Continuity and differentiability had more weightage. Equal weightage for both Class 11th and 12th syllabus.JEE Mains 2019 paper was moderately difficult. Mathematics section was the toughest while Physics was of moderate difficulty and Chemistry was the easiest Questions were simple and straightforward. Few of them were tricky too. Most questions were NCERT based. Organic Chemistry included a few logical questions. Co-ordinate Geometry in Mathematics were quite lengthy. For more in depth analysis, read our article: https://engineering.careers360.com/articles/jee-main-analysis