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JEE Main MCQs use +4/−1 marking. Each correct answer = 4 marks; each wrong answer = −1 mark. From 2025, Numerical Value questions also carry −1 for a wrong answer. Total exam: 75 questions to be answered, 300 max marks (Physics 25, Chemistry 25, Maths 25).
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JEE Main is the qualifying examination for NITs, IIITs, and centrally funded technical institutes, and the gateway to JEE Advanced for IIT aspirants. Conducted by the NTA, it rewards precision under time pressure. Paper 1 (B.E./B.Tech) has 75 questions to be answered for 300 marks across Physics, Chemistry, and Mathematics — 25 questions and 100 marks per subject. Each subject splits into Section A (multiple-choice questions) and Section B (numerical-value questions).
Scores are normalised across multiple shifts and sessions using a percentile system, so your raw score feeds into a percentile rather than being used directly. That makes every mark count, because small raw differences can translate into large percentile gaps near the top. The calculator above lets you enter your correct and wrong counts per subject to see your raw score before normalisation.
Every question in JEE Main — whether multiple-choice or numerical-value — awards +4 marks for a correct answer and deducts 1 mark for a wrong answer. From the 2025 cycle onward, the NTA extended negative marking to the numerical-value (Section B) questions as well, so the older rule of “no negative marking on numericals” no longer applies. The effective penalty is one-quarter of the question’s 4 marks. Unattempted questions score zero with no penalty.
Suppose across all three subjects you attempt 70 of the 75 questions, getting 60 correct and 10 wrong, and leave 5 blank.
Marks for correct: 60 × 4 = 240. Penalty for wrong: 10 × 1 = 10. Final score: 240 − 10.
Your net score is 230 out of 300.
Because JEE Main is scored on percentiles, a handful of raw marks near the top of the distribution can move your percentile sharply. The implication is the same as for every negative-marking exam: protect your strike rate. A candidate attempting 70 questions at 90% accuracy (63 correct, 7 wrong) scores 252 − 7 = 245, while one attempting 75 at 75% accuracy (56 correct, 19 wrong) scores 224 − 19 = 205 — a 40-mark gap that flips the percentile ranking despite the second candidate attempting more.
Treat Section B numericals with the same caution as MCQs now that they carry negative marking. Only commit to a numerical answer when you are confident in the calculation; a rounded-off or mis-keyed value now costs you a mark just like a wrong MCQ. Use the subject-wise inputs above to find which of Physics, Chemistry, or Maths is dragging your accuracy down, and rehearse that subject under timed conditions.
A practical exam-day rule for JEE Main is to make two passes through the paper. On the first pass, answer only the questions you are sure of and flag the rest; on the second, return to the flagged questions and decide which are worth a calculated guess. This keeps you from burning time — and confidence — on a hard numerical early, and it concentrates your risky attempts into a window where you can judge them clearly. Because the exam is normalised by percentile, a clean, high-accuracy paper of moderate attempts almost always out-ranks a sprawling, error-prone one.
Yes. From the 2025 cycle, the NTA applies −1 negative marking to numerical-value (Section B) questions as well as to MCQs. Earlier years had no negative marking on numericals, but that exemption has been removed.
Each correct answer earns +4 marks and each wrong answer deducts 1 mark, for both MCQ and numerical questions. The swing between right and wrong is therefore 5 marks per question.
JEE Main Paper 1 (B.E./B.Tech) is out of 300 marks, with 75 questions to be answered, 25 questions worth 100 marks in each of Physics, Chemistry, and Mathematics.
No. Raw scores are converted to a normalised percentile across shifts and sessions, and the percentile is used for ranking. Two students with similar raw scores in different shifts can receive slightly different percentiles.
No. Unattempted questions score zero with no penalty. Negative marking applies only to questions you answer incorrectly.