How much at least I can score in jee mains 2020 with understanding of concept and previous year questions?

hello aspirant,

solving the previous year question paper is a good thing , but ONLY SOLVING previous year question papers is not at all recommended,

although if you think that your concepts  are clear, that's really a very good thing, but i would suggest you to go through all the topics as it will not only help you get some more marks , but it will also help you gain some confidence.

note that ,we can not predict your score on the criteria that you have provided.

hope that helps

all the best

To crack important exams like Jee Main, one needs to have a proper knowledge in the topics. If you have better understanding in all the topics, it won't be difficult to score good. But exams like Jee, requires a lot of practice. There's no shortcut for success. So the more you'll practice, the more you'll score in the exam. You must start with NCERTs and then move on to standard reference books. Solve complex problems from there. Solving previous year question papers is also required. There's no end in quality problems, so without any hesitation you must concentrate on solving problems of same level of Jee, and getting in depth knowledge of any topic. Even if you are done with the complete syllabus, you must focus on the important chapters and giving mock tests regularly. Some important chapters you must focus on- For Physics, Rotational Motion, Thermodynamics, SHM, Electrostatics, Magnetism, Optics, Modern Physics. In Mathematics, Complex Number, Conic Section, Circle, Calculus, Vector & 3 D, Probability, Trigonometric Equation, Properties of Triangles, Quadratic Equation, Sequence and Series, Permutations and combination. In Chemistry, you can more focus on these chapters for last month preparation- Chemical bonding, Electrochemistry, Coordination compound, Salt analysis, Ionic equilibrium, Thermodynamics & thermochemistry, Aldehydes and ketones, Aromatic hydrocarbons, GOC isomerism, Liquid solutions, Alkyl halides and aryl halides. Beside this, give mock tests regularly.