Courses
Courses for Kids
Free study material
Offline Centres
More
Store Icon
Store

Top 15 Tricks to Guess Correct MCQ Answers in JEE Main and JEE Advanced

By Sneha JaiswalNovember 12, 2025
share icon
banner

How to Improve Your MCQ Guessing Skills for JEE Exams


Mastering multiple-choice questions is vital for anyone aiming to succeed in JEE. Knowing the right strategies to guess correct answers for MCQs in JEE Main and JEE Advanced can boost your score even when you’re unsure. This guide reveals practical tricks to optimize accuracy, manage time, and increase your chances in both exams effectively.


Why Guessing Strategies Matter in JEE Main and Advanced


Both JEE Main and Advanced are time-bound exams where every mark counts. Sometimes, despite preparation, certain MCQs may feel tricky. Smart guessing, when backed by logic and elimination, helps you pick probable answers and avoid unnecessary negative marking. Applied knowingly, these techniques complement your knowledge and enhance scores.


15 Tricks to Guess Correct Answers for MCQs in JEE Main and JEE Advanced


Here are proven ways to guess MCQ answers wisely. Use these methods during practice and the actual exam for better results. Incorporate them along with your regular preparation for JEE.


  1. Insert the answer options given into equations to check which value fits.
  2. Avoid answers with extreme highest or lowest numerical values when unsure.
  3. Observe repeated units or values—answers matching recurring units are often correct.
  4. For functional domain questions, use boundary values to test the proposed relations.
  5. Use dimensional analysis in physics to filter out options with incorrect units.
  6. Assume simple known values, such as θ = 45°, to simplify calculations.
  7. For “nth term” questions, try small numbers like 1 or 2 for faster elimination.
  8. If down to two options, quickly assess for extreme value traps or unit clues.
  9. Focus practice on high-scoring topics like Modern Physics and Atomic Structure.
  10. Refer to NCERT, especially for Chemistry, as most facts are sourced directly from there.
  11. Cover basics from initial Physics chapters including Approximation and Measurements.
  12. Understand marking scheme—attempt non-negative marking questions like “Match the Following.”
  13. Avoid random guessing; probability alone doesn’t ensure correct answers in JEE’s pattern.
  14. Stay calm, read questions thoroughly, and manage time to avoid silly errors.
  15. Practice mock tests and previous year papers to sharpen your application of these tricks.

How to Apply These MCQ Tricks Effectively


It’s important not to rely on guessing alone. Use these strategies only after eliminating implausible answers using logic and partial knowledge. With regular mock test practice, you’ll identify which trick works best for each subject and question type.


Optimizing Time and Accuracy in the Exam


Manage your time by not overanalyzing any single question. Quickly apply elimination and dimension analysis to filter options. Move on if stuck. Attempt easy questions first, then use guessing strategies for tougher ones only after careful consideration.


Common Mistakes to Avoid During MCQ Guessing


Do not guess without any logical basis. Also, don’t leave questions that carry no negative marks. Avoid overconfidence and always cross-check calculations. Practising using these tricks during mock exams will help minimize errors in the final exam.


Helpful Study Resources and Further Strategies


Students looking to deepen their preparation can find more exam strategies in resources such as the Top Strategies to Score Better in JEE Main and Tips to Prepare for JEE Mains. These blogs provide actionable advice along with tips from past JEE toppers.


Examples of Logical Guessing in JEE MCQs


TrickWhen to UseSample Scenario
Elimination by Units Physics/Maths Options with mismatched units
Plugging Values Maths/Algebra Insert values from options into equation
Avoiding Extremes All Subjects Ignore options far from average

This table shows how different guessing tricks work best in specific contexts. Recognize the type and apply the fitting technique when facing uncertain questions.


Conclusion


Following these 15 tricks to guess correct answers for MCQs in JEE Main and Advanced can boost your confidence during exam time. Balanced application, regular practice, and mindful test-taking are keys to maximizing your JEE score without unnecessary risk. For additional guidance, refer to Vedantu’s JEE blogs and study tips curated by experts.


In summary, intelligent MCQ guessing for JEE exams is about logic, pattern recognition, and strategic decision-making. These methods are most effective when paired with diligent preparation and self-testing. Regular application of these tricks in mock exams will steadily improve both your accuracy and exam confidence.

FAQs on Top 15 Tricks to Guess Correct MCQ Answers in JEE Main and JEE Advanced

1. What are the best tricks to guess correct answers for MCQs in JEE Main and JEE Advanced?

The most effective ways to guess correct answers in JEE Main and JEE Advanced MCQs are:

  • Substitute answer choices directly into the question, especially for equations or value-based problems.
  • Avoid extreme values if unsure, as extremes are less likely to be correct.
  • Use dimension analysis in Physics to eliminate impossible units.
  • Identify repeating units/values among answer options for quick selection.
  • Assume simple values (like θ = 45°) for variable-based questions.
Practicing these methods increases speed and accuracy during the exam.

2. Is it safe to guess answers in JEE Main or JEE Advanced when negative marking is present?

Guessing in JEE is not always safe due to negative marking.

  • Only attempt questions where you can confidently eliminate 2 or more incorrect options.
  • Avoid random guessing for all questions, as it can lower your score.
  • Focus on strategic attempts using logical techniques to maximize net marks.

3. Does the JEE Main or Advanced use a specific pattern for MCQ answers?

JEE tends to evenly distribute correct answers across options (A, B, C, D), but there is no fixed pattern to rely on.
So, do not attempt to guess solely based on sequence or frequency.

4. How can dimensional analysis help in JEE Physics MCQs?

Dimensional analysis allows you to check if answer options have the correct physical units required by the question.

  • Eliminate options with incompatible or incorrect dimensions.
  • This speeds up solving calculation-based Physics problems.

5. Which topics are easiest for scoring in JEE Physics and Chemistry MCQs?

The easiest scoring topics in JEE include:

  • Modern Physics (e.g., atoms, nuclei, radiation)
  • Basic chapters on Approximation, Dimensions, and Measurement from Class 11 Physics
  • Inorganic Chemistry, especially content covered in NCERT textbooks
These topics require less time and direct application of concepts.

6. What is the best approach for 'Match the Following' type questions in JEE?

For 'Match the Following' questions:

  • Attend these questions first if they have no negative marking.
  • Focus on pairs that are immediately obvious.
  • Use the process of elimination to verify matching statements quickly.

7. Are NCERT books enough for JEE Chemistry MCQs?

NCERT Chemistry books are highly recommended for JEE MCQs, especially for Inorganic Chemistry.

  • Many questions are directly sourced from NCERT content.
  • Thoroughly reading and revising NCERT helps cover standard theory and factual data for exams.

8. What should I do if I am stuck between two answer options in an MCQ?

If you're unsure between two options:

  • Apply elimination techniques such as removing outliers or extremes.
  • Re-examine the units, values, or logic in both options.
  • If still uncertain, answer only if you have reduced the risk based on question pattern and marking scheme.

9. How important is time management while attempting MCQs in JEE?

Time management is crucial for success in JEE MCQs.

  • Allocate set times per section and stick to them.
  • Don’t spend too much time on a single question; move on if stuck.
  • Practise full-length mock tests to improve your speed and accuracy.

10. What are common mistakes to avoid during JEE MCQ answering?

Avoid the following common mistakes:

  • Random guessing without eliminating options.
  • Ignoring negative marking policy.
  • Rushing without reading the full question or instructions.
  • Overlooking units or dimensional mismatches in answer choices.

11. How can mock tests help improve MCQ accuracy for JEE?

Mock tests are essential for JEE preparation.

  • They help in identifying weak areas and adjusting exam strategy.
  • Practising MCQ tricks in real-time builds confidence and speed.
  • Analyzing mistakes after each test leads to consistent improvement.

12. Is probability-based guessing an effective method in JEE exams?

No, probability-based guessing is not effective for JEE.

  • Correct options are evenly distributed, but relying on random selection only gives a 25% chance of success.
  • Use logical elimination and MCQ tricks instead to increase accuracy and marks.


Competitive Exams after 12th Science
tp-imag
bottom-arrow
tp-imag
bottom-arrow
tp-imag
bottom-arrow
tp-imag
bottom-arrow
tp-imag
bottom-arrow
tp-imag
bottom-arrow