Which IIT sets the toughest paper for JEE Advanced? Check Difficulty Level, Qualifying Percentage

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Bhaskar Das

Study Abroad Specialist | Updated on - Sep 17, 2025

Do you know which IIT sets the toughest paper for JEE Advanced? The difficulty level of JEE Advanced changes every year. Out of 2.5 lakh shortlisted candidates for IIT JEE, only 17,000 are accepted for admission in JEE Advanced keeping the acceptance rate at only 1%. Therefore, JEE Advanced also ranks as the 2nd toughest exam in the world. But does this mean that the difficulty level of the exam is dependent on the conducting IIT? Not every time.

IIT Delhi Director V. Ramgopal Rao said in an interview that “ The exam is designed to eliminate people or to reject candidates, not to select them. So it is tricky and complicated.”

  • Not one IIT is responsible for the difficulty level of the exam
  • A panel of subject matter experts from the seven zonal IITs set the exam paper every year.
  • IIT Roorkee’s 2019 paper had the lowest qualifying percentage in recent years, suggesting it was more challenging compared to other years. 
  • IIT Guwahati’s 2016 paper is considered the most challenging to date, with some questions being exceptionally difficult to solve, even for experienced teachers. 

Last year, 2,50,255 candidates was shortlisted for JEE Advanced. Out of which only 1,89,487 and 180371 candidates registered and appeared for the exam respectively. After the declaration of results, 43769 candidates qualified which is only 17% of the total shortlisted candidates.

JEE Advanced Toughest paper

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What Does Conducting IIT mean?

Indian Institute of Technology (IITs) are prestigious engineering colleges in India. A few IIT's such as IIT Bombay (World University Rank 149) have also ranked in the top universities in the world. Every year one of the IIT gets the authority to conduct the examination. This includes release of notifications regarding exam, registration process, releasing Hall tickets, provisional answer key and response sheet, results etc. They ensure that the exam goes well without any hindrance.

JEE Advanced Year Conducting IIT
2014 IIT Kharagpur
2015 IIT Bombay
2016 IIT Guwahati
2017 IIT Madras
2018 IIT Kanpur
2019 IIT Roorkee
2020 IIT Delhi
2021 IIT Kharagpur
2022 IIT Bombay
2023 IIT Guwahati
2024 IIT Madras
2025 IIT Kanpur

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How do IITs set JEE Advanced Question Paper?

Most students believe that the conducting IIT also sets JEE Advanced question paper, which is not completely true. Subject expert professors from each IIT come to a panel and set a balanced questionnaire for candidates including Physics, Chemistry and Mathematics. JEE Advance takes place in two sections, Paper 1 and Paper 2 and each paper is 3 hours long.

Which JEE Advanced Paper Was Toughest in The Last Five Years?

To know the toughest JEE Advanced paper, let us first have a look at the year-wise qualifying percentage mentioned in the article below.

JEE Advanced Year-Wise Qualifying Statistics

Year Appeared Candidates Qualified Candidates Qualifying Percentage Allotted Seats
2025 180,422 54,378 20.56% 18,160
2024 1,80,200 48,248 35% for the general category, 31.5% for OBC-NCL/EWS, and 17.5% for SC/ST/PwD 59,917
2023 180372 43769 24.26% 17340
2022 155538 40712 26.17% 16635
2021 141699 41862 29.54% 16296
2020 150838 43204 28.64% 16061
2019 161319 38705 23.99% 13604

The last five year JEE Advanced statistics depict a low qualifying percentage and 2019 was the toughest year for JEE Advanced exam. Paper analysis shows that Physics was most difficult. Application based questions were asked and only candidates with deep understanding of concepts can solve the questions. Chemistry was relatively easy and most of the syllabus was covered in the exam. As for Mathematics, it was very lengthy and time consuming. The difficulty of physics and time consuming Mathematics made students struggle in exam, making it the toughest JEE Advanced exam in the last five years.

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JEE Advanced: The Most Difficult Year Paper Analysis

When people talk about the most brutal JEE Advanced paper, 2016 comes up every single time. Candidates struggled, teachers scratched their heads, and social media exploded with memes and rants.

Let’s break down the facts.

  • In 2016, JEE Advanced had tricky, unpredictable patterns especially in Paper 2.
  • The Chemistry section was so odd that even top scorers couldn’t finish it on time.
  • For Physics, the number of lengthy calculations caught a lot of folks off-guard.
  • The toppers’ average percentage plummeted compared to other years.

"Students weren’t just tested on how much they knew, but how well they could stay calm when nothing looked familiar. It was the ultimate stress test." — Vineet Loomba, IITian & Educator

  • 2016 Paper 2 Chemistry stumped most students—just 23% got more than half the questions right.
  • Physics saw a rise in calculation-intensive questions, making even confident students spend too long on a single problem.
  • Mixed type and matrix-matching questions were unusually tricky—if you missed one match, no partial credit.
Year Average Score (Top 500) Highest Score Paper Highlights
2014 27% 334/360 Straightforward pattern, moderate difficulty
2015 25% 335/360 Physics-heavy, but predictable
2016 17% 320/372 Unpredictable, lots of conceptual traps
2017 23% 339/366 Long paper, math-focused tricks

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Which year JEE Advanced is toughest
Which IIT Sets the toughest paper


Source: Quora

Why Are Some JEE Advanced Papers So Tough and Legendary?

Some years, JEE Advanced has pulled stunts that left even top rankers stumped. When students talk about the toughest JEE Advanced paper ever, a few moments always come up.

  • Unpredictable Patterns: In 2016, Chemistry threw a mix of assertion-reason and unconventional matrix match patterns that caught students off guard. People prepped for classic formats, then panicked when they saw questions they'd never seen even in mock tests.
  • Strange Marking Schemes: The 2015 papers gave partial negative marking for multiple correct options. No one wanted a string of negative scores over silly mistakes.
  • Tricky Language: Papers in years like 2013 and 2018 had wordy, vague options and questions where every word counted. Some questions were like puzzles inside puzzles.
  • Unexpected Subject Weightage: In 2019, Physics got way more weightage in Paper 1 than usual, so anyone banking on Math or Chemistry had to improvise, fast.
Year Memorable Feature Avg. Score (Paper 1) Cutoff (General)
2015 Partial negative marking, hard Physics 42/180 105/504
2016 Weird matrix match, confusing Chemistry 48/186 100/372
2019 Physics-heavy, tough numericals 40/186 89/372

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JEE Advanced Qualifying Statistics: Category Wise

Candidates appearing in JEE Advanced have to clear JEE Mains first which is a relatively easier exam. The number of shortlisted candidates last year was 2,50,255. This number includes the bunching of percentiles and excludes the foreign and OCI/PIO candidates.

Category PwD Status JEE Advanced Registered Candidates Candidates appeared in both papers Qualified Allotted Seats
General No 40994 39176 13829 6517
Yes 686 632 177 100
GEN-EWS No 31369 30348 5363 1999
Yes 253 240 74 44
OBC-NCL No 69913 66612 9028 4652
Yes 772 732 181 95
SC No 30898 29058 10993 2604
Yes 146 130 28 12
ST No 14403 13396 4082 1307
Yes 53 48 14 10
Total 189487 180372 43769 17340

The above table clearly shows that the percentage of qualified students is just around 17% which makes the exam one of the most difficult exams to crack.

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Is JEE Advanced Difficult Than Other Engineering Exams Around The World?

JEE Advanced is widely considered one of the most challenging undergraduate engineering entrance exams in the world. It is held for admission to the prestigious Indian Institutes of Technology (IITs), and only the top candidates from JEE Main qualify for it. Other exams, such as the SAT, are also easier than the JEE Advanced exam. Every year JEE Advanced is conducted in a different pattern and there is no fixed syllabus for all three subjects. Students must have a deep understanding of Physics, Chemistry, and Mathematics. The unpredictability of the exam makes it one of the most difficult exams.

If we consider the statistics of lowest pass percentage of students, we can also say that those were the toughest. 

Year Setting IIT Total Candidates Average Score (%) What Stood Out
2016 IIT Guwahati 1,47,678 49 Tricky Chemistry, ambiguous questions
2015 IIT Bombay 1,22,114 51 Challenging Physics, long calculations
2018 IIT Kanpur 1,64,622 45 Switched to computer-based, new pattern

JEE Advanced Previous Year Papers

JEE Advanced Question Paper PDF Download Link
JEE Advanced Question Paper 2025 Check Here
JEE Advanced Question Paper 2024 Check Here
JEE Advanced Question Paper 2023 Check Here
JEE Advanced Question Paper 2022 Check Here
JEE Advanced Question Paper 2021 Check Here
JEE Advanced Question Paper 2020 Check Here
JEE Advanced Question Paper 2019 Check Here
JEE Advanced Question Paper 2018 Check Here

Quick Link: Check JEE Advanced Previous Year Papers for Both Paper I and II.

Frequently Asked Questions

Ques. Which IIT is conducting JEE Advanced 2026?

Ans. IIT Roorkee is expected to conduct the JEE Advanced 2026 examination, following the established rotation system by the Joint Admission Board (JAB). The conducting IIT is selected in round robin rotation manner where out of 7 zonal IITs in India gets the authority to conduct the examination. This is how every year a different IIT organises JEE Advanced.

Ques. Which IIT sets the toughest paper for JEE Advanced?

Ans. Busting this myth that only the conducting IIT sets JEE Advanced paper. What happens is that various IIT subject experts of Physics, Chemistry, and Mathematics come together and set the question paper for the examination. Therefore, just one IIT is not responsible for the difficulty level for JEE Advanced.

Ques. What makes JEE Advanced tougher than GATE?

Ans. GATE is indeed one of the most difficult exam in India but it is more focused on theoretical and conceptual numerical knowledge whereas JEE Advanced is more problem solving and time consuming.

Ques. Why is JEE Advanced set so difficult for Class 12th students?

Ans. JEE Advanced sets a difficult paper to select the best talent for engineering colleges. There is a large number of students applying every year for the exam, the difficulty level also filters out candidates from the exam.

Ques. What should I do if I don’t get selected in JEE Advanced?

Ans. JEE Advanced can get you to the top engineering college in India. But if unfortunately you missed IIT, you can go for the second best option possible. Your JEE Main scores can get you into other top engineering colleges in India. Participate in JOSAA counselling or you can take admission in other engineering colleges as well.

Fees Structure

Structure based on different categories

CategoriesState
General2800
Women1400
sc1400
pwd1400

Note: The application fee for foreign nationals from SAARC countries is USD 75 while for candidates who belong to Non-SAARC countries, the application fee is USD 150. Indian Nationals (including PIO/OCI) who have chosen exam centers outside India, have to pay USD 75 as the application fee.

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