Advanced Engineering Mathematics 6th 2.4 Answer Key
JEE Advanced 2021 Answer Key – Indian Institute of Technology (IIT) Kharagpur has released the JEE Advanced final answer key. The answer key for JEE Advanced paper 1 and paper 2 has been released as pdf. The provisional answer key for JEE Advanced 2021 is already out. You can download it from the links below. Know how to download, how to use, and more details on JEE Advanced 2021 answer key from this page.
Latest – JEE Advanced 2021 answer key (final) has been released. Download it from below.
JEE Advanced 2021 Answer Key
:JEE Advanced 2021 Final Answer Key:
- JEE Advanced 2021 Final Answer Key for Physics
- JEE Advanced 2021 Final Answer Key for Chemistry
- JEE Advanced 2021 Final Answer Key for Mathematics
:Download JEE Advanced 2021 Provisional Answer Key Here:
- Click here to login and submit objections against JEE Advanced 2021 answer key.
| Subject | Paper 1 | Paper 2 |
|---|---|---|
| Physics | Download Here | Download Here |
| Chemistry | Download Here | Download Here |
| Maths | Download Here | Download Here |
JEE Advanced 2021 Answer Key Important Dates
IIT Kharagpur has announced the timeline for JEE Advanced 2021 on its official website. The same has been updated here as well. Students can check the schedule for JEE Advanced answer key 2021 from the table below.
| JEE Advanced 2021 Answer Key | Important Dates |
| JEE Advanced 2021 Exam Date – Paper 1 | 03 Oct 2021 |
| Exam date for JEE Advanced 2021 Paper 2 | 03 Oct 2021 |
| Release of JEE Advanced 2021 unofficial answer key | On exam day, by evening |
| Copy of candidate responses for the JEE Advanced 2021 releases on | By 05 Oct 2021 |
| Display of JEE Advanced official answer key 2021 | 10 Oct 2021 (10:00 AM) |
| Receiving feedback from candidates on official answer key | From 10 Oct 2021 (10:00 AM) to 11 Oct 2021 (5:00 PM) |
| Release of JEE Advanced 2021 answer key | 15 Oct 2021 |
| Declaration of JEE Advanced result 2021 | 15 Oct 2021 |
How to Use the JEE Advanced Answer Key 2021?
After the candidates have download the answer key, they can then use it to cross-check their answers and calculate their probable score. In order to add and deduct the score, you will need to follow the marking scheme as given below.
JEE Advanced 2021 Marking Scheme – Paper I, and Paper II
| Section | Marking scheme |
|---|---|
| 1 | +3 for each correct answer. 0 if none of the options is chosen. -1 for all other cases. |
| 2 | +4 if all the correct option / options are / is chosen. +3 if all the four options are correct but only 3 options are chosen. +2 if three or more options are correct but only 2 options are chosen; both of which are correct. +1 if two or more options are correct but only 1 option is chosen and it is correct. 0 for questions left unanswered. -2 in all other cases. |
| 3 | +4 for each correct answer. 0 in all other cases. |
JEE Advanced Official Answer Key 2021 by IIT
The official answer key of JEE Advanced is released by IIT, at the official website. It is provided as pdf and the candidates can challenge it. The challenges are then verified and the valid changes are made in the answer key as per it. The updated answer key of JEE Advanced is the final key and based on it the result is prepared.
How to Download JEE Advanced Official Answer Key 2021?
To download the official answer key for JEE Advanced 2021 online, candidates may follow the instructions as given below.
1st Step: Click on the direct link on the page above to download the answer key.
2nd Step: As you do so, the answer key shall open on the screen in pdf format.
3rd Step: Download the pdf and you can also take a printout for the same.
4th Step: After this, candidates can cross-check their answers or raise objections against the incorrect answer.
Challenge JEE Advanced 2021 Answer Key
Candidates will get the chance to raise an objection against the JEE Advanced 2021 answer key. Aspirants will need to provide documents or proper reasoning in support of the objection raised. To apply for objection, candidates can follow the instructions given below.
1st Step:Visit the official website of JEE Advanced 2021 or click on the direct link on the page above.
2nd Step: After this, click on the "JEE Advanced 2021 Answer Key – Challenge" on the homepage of the website.
3rd Step:Next, the candidates will need to log in using the application number and password.
4th Step: In the next screen, select the responses which you have to challenge.
5th Step: Once you selected the options for objection, upload the supporting document and pay the challenge fees of Rs. 500 per question.
6th Step: Finally, click on the submit button to submit the challenge.
JEE Advanced 2021 Question Paper & Response Sheet
Along with the answer key, candidates will also get the JEE Advanced 2021 question paper and response sheet. Since the exam is being conducted in the computer-based mode, candidates are thus not allowed to write down the questions on the rough sheet. In the JEE Advanced 2021 question paper, candidates will also be able to check the responses as marked by them during the examination.
JEE Advanced 2021 Result
The result for JEE Advanced 2021 can be checked from the official website, jeeadv.ac.in or result.jeeadv.ac.in. To check it, you will need to log in by entering the required credentials like your roll number, date of birth, etc. The exam conducting authority will also release the category-wise All India Ranks (AIR) of successful candidates after the declaration of the JEE Advanced result 2021. The result shall consist of details like marks secured by the candidates, the total score in both JEE Advanced 2021 Paper I and Paper II, qualifying status, and other personal details of the candidate.
JEE Advanced 2021 Unofficial Answer Key
Candidates can compare their response sheets against the answer keys released by various prominent coaching institutes to calculate their marks.
| Name of the Coaching Institute | JEE Advanced 2021 Phy Answer Key | JEE Advanced 2021 Chem Answer Key | JEE Advanced 2021 Maths Answer Key |
| Resonance | Paper 1 | Paper 2 | Paper 1 | Paper 2 | Paper 1 | Paper 2 |
| Allen Kota | Paper 1 | Paper 2 | Paper 1 | Paper 2 | Paper 1 | Paper 2 |
| Aakash | Paper 1 | Paper 2 | Paper 1 | Paper 2 | Paper 1 | Paper 2 |
JEE Advanced 2021 Memory Based Answer Key 2021
Right after the exam, memory based answer key was released based on data provided by the students. You can check it below.
JEE Advanced 2021 Memory Based Question Paper & Answers for Paper 2 are available now. Check below.
Ques 1 The area bounded by 0 ⥶ x ⥶ 9/4 , 0 ⥶ y ⥶ 3y and x +2 is
Ans 1 11/32
Ques 2 In ⃤ABC, iF ab23 BC – 3, AC-then find value of cos A + cos / cos c
Ans 2
Que 3.A function of f(x), is defined as f:r – r given by f(x), x2-3x-6/ x2-2x+4
Ans 3.A, D
JEE Advanced 2021 Memory-based Question paper & Answers for Paper 1 are available now. Check below.
Ans – 49
Ans – 2/3 F/M
Ans – a=πR
JEE Advanced 2021 Paper 2 Analysis
The following is the analysis of JEE Advanced Paper 2 of JEE Advanced 2021 Answer Key.
The total marks for the exam were 180, so total of Paper 1 and Paper 2 of JEE Advanced 2021 are 360.
This time, the examination was moderate to difficult. As compared to the morning shift, this paper was way difficult.
| Section 1 | 6 Ques, Multiple Answer Correct Type, (+4, -2) |
| Section 2 | 6 Ques STEM (2,0) |
| Section 3 | 4 Ques, Paragraph Type, (+3, -1) |
| Section 4 | 3 Ques, Non Negative Integer Answer Type, (+4, 0) |
Section Wise Analysis
Again, a lot of Class 12th level question were asked, in the level. However, the unit of Radioactivity from class 11th syllabus was also covered. This time also, Physics was length and also had passage type questions.
In Chemistry, most of the questions were asked from Organic and Physical Chemistry.
Mathematics section included of questions from integration this time, however, the marks weightage for Calculus and Coordinate was way more.
JEE Advanced 2021 Paper Analysis
The following is the analysis for JEE Advanced Paper 1:
Number of Questions – There are 19 questions in each of the sections, the maximum marks were 60 for each section.
The total marks for the JEE Advanced 2021 examination was 180. The following is the segregation.
| Name of Section | N of Ques, Type, Scheme |
|---|---|
| Section 1 | 4 Ques, Single Answer Correct Type, (+3, -1) |
| Section 2 | 6 Ques, Integer Answer Type, (+2, 0) |
| Section 3 | 4 Ques, Multiple Answer Correct Type, (+4, -2) |
| Section 4 | 3 Ques, Non Negative Integer Answer Type, (+4, 0) |
Section Wise Analysis
| Subject (In order of difficulty) | Level of Difficulty |
| Physics | Moderate |
| Maths | Moderate |
| Chemistry | Easy |
As per students, a lot of questions in Physics paper were asked from class 12th syllabus and it was conceptual. Overall, the level of this section was moderate to difficult. However, many questions were asked from Electrostatics chapters.
The Mathematical section was easy. No questions were asked from Integration. No paragraph questions were asked in the entire paper.
In Chemistry, questions were framed from Reaction, Salts, Coordination and Compounds, Physical Chemistry, Solid States,
JEE Advanced Answer Key Archives
JEE Advanced Answer Key 2020 by Resonance, Allen, Other Coaching Centers
Apart from the official answer key, many coaching institutes also release JEE Advanced answer key. These answer keys are released in PDF format. JEE Advanced unofficial answer keys are released on the same day of the examination. Download JEE Advanced 2020 answer key from the table below.
| Coaching Institutes | Paper 1 | Paper 2 |
| Allen Kota | Download | Out Soon |
| Resonance | Download | Download |
| Aakash Institute | Download | Out soon |
| Reliable Institute Kota | Download | Download |
| Motion IIT JEE | Out Soon | Out Soon |
JEE Advanced Official Answer Key 2020
JEE Advanced Official Answer Key 2019
JEE Advanced Official Answer Key 2018, 2017
FAQs for JEE Advanced 2021 Answer Key
Ques. From where can I download official JEE Advanced answer key?
Ans. You can download official answer key of JEE Advanced 2021 from jeeadv.ac.in. It will be released on October 10, 2021.
Ques. Can I challenge unofficial JEE Advanced answer key 2020?
Ans. No, you cannot challenge JEE Advanced unofficial answer key.
Ques. Can I challenge official JEE Advanced answer key?
Ans. Yes, you can challenge official JEE Advanced 2021 answer key if there is any error in it.
Ques. Does the official authority charge any processing fee if I raise any objection against provisional JEE Advanced answer key?
Ans. Yes, you are required to pay the processing fee is you have to challenge the questions present in the provisional answer key of JEE Advanced.
Ques. Can I challenge JEE Advanced final answer key?
Ans. No, the final answer key of JEE Advanced cannot be challenged. The answers indicated in it are final.
If you have any queries regarding JEE Advanced 2021 Answer Key, then please ask in comments below.
JEE Advanced 2021 Answer Key – Indian Institute of Technology (IIT) Kharagpur will release JEE Advanced 2021 official answer key at jeeadv.ac.in on October 10, 2021 at 10 am. The answer key will be released subject wise for Paper 1 and 2. Candidates will have the option to challenge the provisional answer key between October 10 to 11. Before that, we will provide the unofficial memory based answer key released by coaching institutes like Allen, Resonance, etc. A direct link to download the JEE Advanced answer key can also be accessed from this page. Candidates can use official and unofficial answer keys to predict JEE Advanced 2021 results. Know more details on JEE Advanced 2021 answer key from this page.
Latest – JEE Advanced 2021 Response sheet will release on October 5, 2021. Authorities have released JEE Advanced 2021 Question papers on October 4, 2021.
JEE Advanced 2021 Answer Key
Candidates can compare their response sheets against the answer keys released by various prominent coaching institutes to calculate their marks.
| Name of the Coaching Institute | JEE Advanced 2021 Phy Answer Key | JEE Advanced 2021 Chem Answer Key | JEE Advanced 2021 Maths Answer Key |
| Resonance | Paper 1 | Paper 2 | Paper 1 | Paper 2 | Paper 1 | Paper 2 |
| Allen Kota | Paper 1 | Paper 2 | Paper 1 | Paper 2 | Paper 1 | Paper 2 |
| Aakash | Paper 1 | Paper 2 | Paper 1 | Paper 2 | Paper 1 | Paper 2 |
| Narayana | Paper 1 | Paper 2 | Paper 1 | Paper 2 | Paper 1 | Paper 2 |
JEE Advanced 2021 Answer Key Important Dates
IIT Kharagpur has announced the timeline for JEE Advanced 2021 on its official website. The same has been updated here as well. Students can check the schedule for JEE Advanced answer key 2021 from the table below.
| JEE Advanced 2021 Answer Key | Important Dates |
| JEE Advanced 2021 Exam Date – Paper 1 | 03 Oct 2021 |
| Exam date for JEE Advanced 2021 Paper 2 | 03 Oct 2021 |
| Release of JEE Advanced 2021 unofficial answer key | On exam day, by evening |
| Copy of candidate responses for the JEE Advanced 2021 releases on | By 05 Oct 2021 |
| Display of JEE Advanced official answer key 2021 | 10 Oct 2021 (10:00 AM) |
| Receiving feedback from candidates on official answer key | From 10 Oct 2021 (10:00 AM) to 11 Oct 2021 (5:00 PM) |
| Release of JEE Advanced 2021 answer key | 15 Oct 2021 |
| Declaration of JEE Advanced result 2021 | 15 Oct 2021 |
JEE Advanced 2021 Memory Based Answer Key 2021
Right after the exam, memory based answer key was released based on data provided by the students. You can check it below.
JEE Advanced 2021 Memory Based Question Paper & Answers for Paper 2 are available now. Check below.
Ques 1 The area bounded by 0 ⥶ x ⥶ 9/4 , 0 ⥶ y ⥶ 3y and x +2 is
Ans 1 11/32
Ques 2 In ⃤ABC, iF ab23 BC – 3, AC-then find value of cos A + cos / cos c
Ans 2
Que 3.A function of f(x), is defined as f:r – r given by f(x), x2-3x-6/ x2-2x+4
Ans 3.A, D
JEE Advanced 2021 Memory-based Question paper & Answers for Paper 1 are available now. Check below.
Ans – 49
Ans – 2/3 F/M
Ans – a=πR
JEE Advanced 2021 Paper 2 Analysis
The following is the analysis of JEE Advanced Paper 2 of JEE Advanced 2021 Answer Key.
The total marks for the exam were 180, so total of Paper 1 and Paper 2 of JEE Advanced 2021 are 360.
This time, the examination was moderate to difficult. As compared to the morning shift, this paper was way difficult.
| Section 1 | 6 Ques, Multiple Answer Correct Type, (+4, -2) |
| Section 2 | 6 Ques STEM (2,0) |
| Section 3 | 4 Ques, Paragraph Type, (+3, -1) |
| Section 4 | 3 Ques, Non Negative Integer Answer Type, (+4, 0) |
Section Wise Analysis
Again, a lot of Class 12th level question were asked, in the level. However, the unit of Radioactivity from class 11th syllabus was also covered. This time also, Physics was length and also had passage type questions.
In Chemistry, most of the questions were asked from Organic and Physical Chemistry.
Mathematics section included of questions from integration this time, however, the marks weightage for Calculus and Coordinate was way more.
JEE Advanced 2021 Paper Analysis
The following is the analysis for JEE Advanced Paper 1:
Number of Questions – There are 19 questions in each of the sections, the maximum marks were 60 for each section.
The total marks for the JEE Advanced 2021 examination was 180. The following is the segregation.
| Name of Section | N of Ques, Type, Scheme |
|---|---|
| Section 1 | 4 Ques, Single Answer Correct Type, (+3, -1) |
| Section 2 | 6 Ques, Integer Answer Type, (+2, 0) |
| Section 3 | 4 Ques, Multiple Answer Correct Type, (+4, -2) |
| Section 4 | 3 Ques, Non Negative Integer Answer Type, (+4, 0) |
Section Wise Analysis
| Subject (In order of difficulty) | Level of Difficulty |
| Physics | Moderate |
| Maths | Moderate |
| Chemistry | Easy |
As per students, a lot of questions in Physics paper were asked from class 12th syllabus and it was conceptual. Overall, the level of this section was moderate to difficult. However, many questions were asked from Electrostatics chapters.
The Mathematical section was easy. No questions were asked from Integration. No paragraph questions were asked in the entire paper.
In Chemistry, questions were framed from Reaction, Salts, Coordination and Compounds, Physical Chemistry, Solid States,
How to Use the JEE Advanced Answer Key 2021?
After the candidates have download the answer key, they can then use it to cross-check their answers and calculate their probable score. In order to add and deduct the score, you will need to follow the marking scheme as given below.
JEE Advanced 2021 Marking Scheme – Paper I, and Paper II
| Section | Marking scheme |
|---|---|
| 1 | +3 for each correct answer. 0 if none of the options is chosen. -1 for all other cases. |
| 2 | +4 if all the correct option / options are / is chosen. +3 if all the four options are correct but only 3 options are chosen. +2 if three or more options are correct but only 2 options are chosen; both of which are correct. +1 if two or more options are correct but only 1 option is chosen and it is correct. 0 for questions left unanswered. -2 in all other cases. |
| 3 | +4 for each correct answer. 0 in all other cases. |
JEE Advanced Official Answer Key 2021 by IIT
The official answer key of JEE Advanced is released by IIT, at the official website. It is provided as pdf and the candidates can challenge it. The challenges are then verified and the valid changes are made in the answer key as per it. The updated answer key of JEE Advanced is the final key and based on it the result is prepared.
Where to Download Official JEE Advanced 2021 Answer Key?
Download Answer Key Here: The link to download JEE Advanced 2021 Official Answer Key will be available here.
Official website: jeeadv.ac.in
How to Download JEE Advanced Official Answer Key 2021?
To download the official answer key for JEE Advanced 2021 online, candidates may follow the instructions as given below.
1st Step: Click on the direct link on the page above to download the answer key.
2nd Step: As you do so, the answer key shall open on the screen in pdf format.
3rd Step: Download the pdf and you can also take a printout for the same.
4th Step: After this, candidates can cross-check their answers or raise objections against the incorrect answer.
Challenge JEE Advanced 2021 Answer Key
Candidates will get the chance to raise an objection against the JEE Advanced 2021 answer key. Aspirants will need to provide documents or proper reasoning in support of the objection raised. To apply for objection, candidates can follow the instructions given below.
1st Step:Visit the official website of JEE Advanced 2021 or click on the direct link on the page above.
2nd Step: After this, click on the "JEE Advanced 2021 Answer Key – Challenge" on the homepage of the website.
3rd Step:Next, the candidates will need to log in using the application number and password.
4th Step: In the next screen, select the responses which you have to challenge.
5th Step: Once you selected the options for objection, upload the supporting document and pay the challenge fees of Rs. 500 per question.
6th Step: Finally, click on the submit button to submit the challenge.
JEE Advanced 2021 Question Paper & Response Sheet
Along with the answer key, candidates will also get the JEE Advanced 2021 question paper and response sheet. Since the exam is being conducted in the computer-based mode, candidates are thus not allowed to write down the questions on the rough sheet. In the JEE Advanced 2021 question paper, candidates will also be able to check the responses as marked by them during the examination.
JEE Advanced 2021 Result
The result for JEE Advanced 2021 can be checked from the official website, jeeadv.ac.in or result.jeeadv.ac.in. To check it, you will need to log in by entering the required credentials like your roll number, date of birth, etc. The exam conducting authority will also release the category-wise All India Ranks (AIR) of successful candidates after the declaration of the JEE Advanced result 2021. The result shall consist of details like marks secured by the candidates, the total score in both JEE Advanced 2021 Paper I and Paper II, qualifying status, and other personal details of the candidate.
JEE Advanced Answer Key Archives
JEE Advanced Answer Key 2020 by Resonance, Allen, Other Coaching Centers
Apart from the official answer key, many coaching institutes also release JEE Advanced answer key. These answer keys are released in PDF format. JEE Advanced unofficial answer keys are released on the same day of the examination. Download JEE Advanced 2020 answer key from the table below.
| Coaching Institutes | Paper 1 | Paper 2 |
| Allen Kota | Download | Out Soon |
| Resonance | Download | Download |
| Aakash Institute | Download | Out soon |
| Reliable Institute Kota | Download | Download |
| Motion IIT JEE | Out Soon | Out Soon |
JEE Advanced Official Answer Key 2020
JEE Advanced Official Answer Key 2019
JEE Advanced Official Answer Key 2018, 2017
FAQs for JEE Advanced 2021 Answer Key
Ques. From where can I download official JEE Advanced answer key?
Ans. You can download official answer key of JEE Advanced 2021 from jeeadv.ac.in. It will be released on October 10, 2021.
Ques. Can I challenge unofficial JEE Advanced answer key 2020?
Ans. No, you cannot challenge JEE Advanced unofficial answer key.
Ques. Can I challenge official JEE Advanced answer key?
Ans. Yes, you can challenge official JEE Advanced 2021 answer key if there is any error in it.
Ques. Does the official authority charge any processing fee if I raise any objection against provisional JEE Advanced answer key?
Ans. Yes, you are required to pay the processing fee is you have to challenge the questions present in the provisional answer key of JEE Advanced.
Ques. Can I challenge JEE Advanced final answer key?
Ans. No, the final answer key of JEE Advanced cannot be challenged. The answers indicated in it are final.
If you have any queries regarding JEE Advanced 2021 Answer Key, then please ask in comments below.
Advanced Engineering Mathematics 6th 2.4 Answer Key
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