Like the other two subjects of JEE Main syllabus 2019 – Physics and Chemistry, the Mathematics section of JEE Main 2019 will be of 120 marks (30 qustions of 4 marks each). However, for any question answered incorrectly, one mark will be deducted. In 2018, the highest weightage in Mathematics was given to chapters like sequence and series, straight lines, 3D, Determinant, etc. Check out the detailed JEE Main 2019 syllabus for Mathematics.
Mathematics Topic-wise Weightage (Expected) & Percentage of Questions Asked in JEE Main