JEE Main Exam Pattern Changes: Compulsory Section B Numericals & Marking Rules
The National Testing Agency has permanently eliminated the optional question cushion in Section B. With zero internal choices and strict -1 negative marking on numericals, the era of skipping difficult chapters is officially over. Here is how top rankers are adapting their time distribution, syllabus coverage, and paper-solving order.
Key Shift: 75 Compulsory Questions with No Choice
Under the updated exam structure, candidates must solve exactly 75 questions (25 per subject: 20 Section A MCQs + 5 Section B Numericals). Total paper marks stand at 300 marks for 180 minutes. Every incorrect question across both sections incurs a -1 mark penalty. You can no longer browse 10 numericals to select 5 familiar ones; complete chapter coverage across 100% of the syllabus is now non-negotiable.
Pre-Pandemic vs Pandemic vs Current Updated Pattern
Understanding the historical evolution of the JEE Main blueprint clarifies why average cutoff percentiles shift. Below is the side-by-side architectural comparison:
| Pattern Dimension | Pandemic Era (2021–2024) | Current Permanent Format (2025–2028+) | Tactical Impact on Aspirants |
|---|---|---|---|
| Section A (MCQs) | 20 Questions (Compulsory) | 20 Questions (Compulsory) | Unchanged; tests rapid conceptual clarity. |
| Section B (Numericals) | 10 Questions (Attempt any 5) | 5 Questions (All 5 Compulsory) | Eliminates cherry-picking; backlogs directly hurt rank. |
| Total Questions to Read | 90 Questions (30 per subject) | 75 Questions (25 per subject) | Saves 8-10 minutes previously wasted screening extra questions. |
| Negative Marking (Sec B) | -1 (Re-introduced in 2022) | -1 (Strictly Active) | Blind guessing in numericals carries severe penalty. |
| Total Marks & Time | 300 Marks / 180 Minutes | 300 Marks / 180 Minutes | Average time per attempted question increases slightly to 2.4 minutes. |
| 99%ile Score Threshold | Higher (180 - 215 marks) | Stabilized Lower (165 - 195 marks) | Questions carry greater selective weight; accuracy is rewarded over volume. |
Subject-Wise Breakdown & Marking Matrix
20 MCQs + 5 Numericals. Section A heavily favors Modern Physics, Current Electricity, and Formula Applications. Section B features multi-step Mechanics, Electromagnetism, and Optics calculation problems.
20 MCQs + 5 Numericals. Section A is packed with NCERT-direct Inorganic and Organic reaction pathways. Section B is nearly 90% Physical Chemistry (Thermodynamics, Electrochemistry, Kinetics, Solutions).
20 MCQs + 5 Numericals. The paper's lengthiest section. Section B features extensive calculation problems in Definite Integrals, Coordinate Geometry, Vectors & 3D, and Differential Equations.
Three Strategic Repercussions You Must Incorporate Immediately
1. Zero Selective Preparation: The End of "Skipping Chapters"
In 2023, a student could completely ignore Rotational Motion or P-Block and still score full marks in Section B by selecting the other 5 problems. Under the current rule, if Section B presents a question from Rotational Dynamics and another from Complex Numbers, leaving those topics forfeits 8 to 10 unrecoverable marks immediately. Aspirants must achieve at least baseline formula-level mastery across every chapter.
2. Decimal Calculation Discipline & Significant Figures
Numerical value questions require precise final integer or decimal inputs without multiple-choice options to hint at errors. A trivial arithmetic mistake in the last step converts a +4 into a -1, producing a net 5-mark deficit. Rankers maintain an "Arithmetic Error Log" during mock drills to eliminate rounding blunders before exam day.
3. The 3-Phase Solving Strategy (45m Chem $\to$ 50m Phys $\to$ 75m Maths $\to$ 10m Buffer)
With 75 questions to read instead of 90, you save approximately 10 minutes of question triage. Channel those saved minutes directly into the Mathematics section. Complete Chemistry Section A and B in 40-45 minutes, Physics in 50-55 minutes, and dedicate 70-75 undisturbed minutes to crack 12-14 high-accuracy Mathematics questions.
Master the Compulsory Section B Pattern with Top 1% IITian Mentors
Stop losing marks to avoidable numerical errors and weak chapter coverage. Get weekly 1-on-1 strategy calls with an IIT Bombay/Delhi mentor to audit your mock performance and fine-tune your exam strategy.
Aryan Sharma
IIT Bombay • Computer Science & Engg
Rohan Kulkarni
IIT Delhi • Electrical Engineering
Frequently Asked Questions: JEE Main Pattern Changes
Detailed breakdowns on marking rules, decimal entries, and preparation strategies under the updated NTA guidelines.
Calibrate Your Mock Strategy for JEE Main
Work with IITian rankers who cracked the exam with 99.8+ percentile. Get customized test-taking strategies, speed tricks, and comprehensive syllabus roadmaps.