JEE Main Answer Key 2021 Final Out - Download Answer Key PDFs
JEE Main Answer Key 2021 - NTA has released the final answer key of JEE Main 2021 on March 7. NTA JEE Main answer key 2021 is available on the official website jeemain.nta.nic.in. The provisional JEE Main official answer key 2021 was released by NTA on March 1, 2021. Candidates were able to challenge the JEE Mains 2021 answer key by paying a fee of Rs. 200/- per question. The date to challenge the official NTA JEE Main answer key 2021 was from March 1 to 3, 2021. Candidates can download the JEE Main official answer key through candidates' login. official JEE Main answer key is released in PDF format. Candidates can calculate their probable score by using the JEE Mains 2021 answer key. The unofficial JEE Main 2021 answer key is released by Careers360, Resonance and Reliable Kota. The answer key of JEE Main 2021 contains correct answers to questions asked in JEE Main 2021. NTA is releasing separate IIT JEE answer key 2021 for all sessions. Along with answer keys, JEE Main 2021 response sheet is also released by NTA on the official website. To know more about the downloading and objection process of JEE Main answer key 2021, refer to the article below.
Latest- Click here to download the JEE Main 2021 answer key
Latest Updates for JEE Main
- 14 minutes ago:
JEE Main Result 2021 to be declared today. Check JEE Main 2021 marks vs rank
- 46 minutes ago:
Click on JEE Main 2021 result live updates to get timely updates
- 1 day ago:
JEE Main Feb 2021 result date to be out today anytime soon. Also see the JEE Main 2021 expected cut off

JEE Main Feb 2021 Answer Key (Official)
Exam Date | Provisional JEE Main answer key 2021 | Final JEE Main 2021 answer key |
JEE Main 2021 Answer Key February 23 and 24 (Shift 1 and 2) | Click Here | Feb 23- Available soon Feb 24- Click Here |
JEE Main answer key February 25, 2021 (Shift 1 and 2) | Click Here | Click Here |
JEE Main 2021 February 26 answer key (Shift 1 and 2) | Click Here | Click Here |
How to download JEE Main 2021 Answer Key?- Step-wise process
JEE Main Answer Key 2021 (Feb 23, 24, 25, 26) by Coaching Institutes
Exam Date | Shift 1 | Shift 2 |
JEE Main 2021 answer key by Careers360 - Feb 26 shift 2 | Click here | |
JEE Main 2021 Paper 1 answer key by Reliable Kota- February 26 | Maths - Click Here Physics - Click Here Chemistry - Click Here | Maths - Click Here Physics -Click Here Chemistry - Click Here |
JEE Main 2021 Paper 1 answer key by Resonance- February 26 | Maths - Click here Physics - Click Here Chemistry - Click Here | Maths- Physics- Chemistry- |
JEE Main 2021 Paper 1 answer key by Reliable Kota- February 24 | Maths- Click Here Physics- Click Here Chemistry- Click Here | Maths- Click Here Physics- Click Here Chemistry- Click Here |
JEE Main 2021 Paper 1 answer key by Resonance- February 24 | Maths- Click Here Physics- Click Here Chemistry- Click Here | Maths- Click Here Physics- Click Here Chemistry- Click Here |
JEE Main 2021 February Answer Key by Careers 360 - February 24 | Click Here | |
JEE Main 2021 Paper 1 answer key by Reliable Kota- February 25 | Maths - Click Here Physics - Click Here Chemistry - Click Here | Maths - Click Here Physics - Click Here Chemistry - Click Here |
JEE Main 2021 Paper 1 answer key by Resonance- February 25 | Maths - Click here Physics - Click Here Chemistry - Click Here | Maths- Click Here Physics- Click Here Chemistry- Click Here |
JEE Answer Key by Motion IIT-JEE February 24 | Mathematics- Click Here Chemistry - Click Here Physics - Click Here | Mathematics - Click Here Chemistry - Click Here Physics - Click Here |
Answer Key by Motion IIT-JEE February 25 | Mathematics - Click Here Chemistry - Click Here Physics -Click Here | Mathematics - Click Here Chemistry - Click Here Physics -Click Here |
JEE Main Answer Key by Motion IIT-JEE - February 26 | Mathematics - Click Here Chemistry - Click Here Physics -Click Here | Mathematics - Click Here Chemistry - Click Here Physics -Click Here |
JEE Main Answer Key by Allen Kota - February 24 | Mathematics - Click Here Chemistry - Click Here Physics - Click Here | Mathematics - Click Here Chemistry - Click Here Physics - Click Here |
JEE Main Feb Answer Key by Allen Kota - February 25 | Mathematics - Click Here Chemistry - Click Here Physics -Click Here | Mathematics - Click Here Chemistry - Click Here Physics - Click Here |
JEE Main 2021 Answer Key by Allen Kota - February 26 | Mathematics - Click Here Chemistry - Click Here Physics - Click Here | Mathematics - Click Here Chemistry - Click Here Physics - Click Here |
JEE Main Answer Key 2021 Release Date
The answer key of JEE Main 2021 is released by NTA 2-3 days after the exam conduction. NTA has released the JEE Main 2021 answer key date. Below we have provided the NTA JEE answer key dates-
JEE Main 2021 answer key dates
Events | Dates |
JEE Main 2021 Exam | February- 23, 24, 25, and 26, 2021 |
Release of JEE Main official answer key | March 1, 2021 |
Objection against JEE Main Feb 2021 answer key | March 1 to 3, 2021 |
Final JEE Main 2021 February answer key | March 7, 2021 |
How to download NTA JEE Main Answer key 2021?
Candidates may find below the series of steps to be followed for downloading the JEE Main 2021 answer key:
Visit the official website of NTA at jeemain.nta.nic.in
Select the link to the answer key of JEE Mains 2021 in this window
Now, candidates will be required to enter their JEE Main application number and date of birth
Click on submit and the JEE Mains 2021 answer key will appear on the screen
Download the pdf file for more convenience.
After downloading the answer key of JEE Main 2021, candidates are able to compare their responses and thus, calculate their probable score. They are also allowed to raise objections against responses provided in the NTA JEE Main answer key 2021 that they think are wrong while providing the proof in support of their contention. The objections so raised shall be considered by the experts and then changes may be made in the JEE Main final answer key.
Memory Based JEE Main Questions - February 24 Shift 1
- If there is degradation of vegetation, then what effect is caused in the environment from gas released?
- Calculate the ionization energy of all third period elements.
- An astronaut has left the international space station to test a new space scooter. His partner measures the fall velocity changes which take place in 10s interval. Find the magnitude and direction of average acceleration at the beginning of 10 sec interval, the astronaut is moving towards the x-axis in 10m/sec and at the end is 10 sec. He is moving towards the -ve axis at 5m/sec.
What will be the energy if you increase lambda by haIf
A dice is rolled n times. If the probability of getting even number and odd number is equal then find n.
Two capacitors are given. Find the series and parallel resistant and their ratio.
Find the work done by the cyclic process.
What are the major components of gun metal? Ans. Copper 88%
What does anaerobic respiration cause? Ans. Global warming
Which vitamin deficiency causes sterility in males? Ans. Vitamin E
What is the coordination no. of b.c.c? Ans. 8
JEE Main 2021 Answer Key for Paper 2
Memory based questions and JEE Main paper 2 answer key for exam held on February 23.
JEE Main 2021 Mathematics Question
- If A+B+C = 180 degrees. Then, find tanA+tanb+tanC =? - Answer: tanA tabB tanC
- If Z1 and Z2 is a unimodular complex number that satisfy Z1 2+Z2 2=4. Then (Z1+Z1) 2+ (Z2+Z2) 2 is equal to? Answer: 12
- Evaluate (elogx + sinx )cosxdx Find the equation of the normal to the curve x2 = 4y which passes through the point (1,2). Answer: x+y = 3
- The DE representing the family of curves y2 (2c + x2021 ) where c is the +ve parameter is of? Answer: Order 1
- Given x = cy+bx, y = az+cx, z = bx+ay where x, y and z are not all zero, then a2 + b2 + c2 + 2ab = Answer: 1
- The minimum number of times a fair coin needs to be tossed so that the probability of getting at least two heads is at least 0.96 is ____ Answer: 8
- If f:(1, ∞) —> (2,∞) is given by f(n) =n+1, the f-1 (n) equals? Answer: x+√x2-4 / 2
JEE Main 2021 Questions- General Aptitude Question
- Who was the designer of the world trade center? - Answer: Minoru Yamasaki, Emery Roth
- A person writes letters to 6 friends and addresses a corresponding envelope. The number of ways in which 5 letters can be placed in the wrong envelope is?
- Who is the write of god of small things?
- What is the full form of NHAI? - Answer: National Highways Authority of India.
- What is the new name of Planning commission? - Answer: NITI Ayog.
- When was special economic zone launched?
- Who designed IIM Ahmedabad? - Answer: Louis Kahn and B.V. Doshi
- What is the size of A2 sheet in mm?
- Who was the first Indian architect to win Pritzker Prize?
JEE Main Paper 2 Drawing Section
Questions related to Coronavirus vaccination and the booths were asked in drawing section.
How to challenge JEE Main 2021 Answer Key?
After downloading the provisional NTA JEE Main answer key 2021, candidates will be provided with a certain period to raise objections against the answers mentioned in the answer key wherever they think that the answer is incorrect. In order to raise objections, candidates will have to note the question ID and answer provided through the answer key of JEE Main 2021 along with the correct answer and apply through the link provided to candidates along with payment of processing fee of Rs 200 for each question. For a challenge, they will have to follow the steps given below:
Visit the official NTA website at jeemain.nta.nic.in
Click on the link to ‘challenges regarding answer key’
Candidates will now be required to log in using their application number and password
The JEE Main answer key shall contain the question ID as well as the ID with a correct option for both papers 1 and 2
In case there seems some error, candidates can challenge the question by selecting one or more IDs
Now click on ‘Save your claim’ and click on next
Question ID so challenged shall appear on the screen
Candidates will now be required the necessary documents in support of their claim
They will have to upload the same in pdf form and click on the ‘Choose file’ button shown on the screen.
The next step requires candidates to pay the processing fee of Rs 200 for each question thus objected against. Payment can be done through credit card/ debit card/ net banking.
Candidates may note that the processing fee is a refundable amount and candidates whose claims turn out to be relevant and thus accepted by the authorities will get the processing fee refunded. Also, no claim shall be considered for candidates who raised objections without paying the respective processing fee.
Using JEE Main Answer Key for calculating probable scores
Candidates who appear in the engineering entrance examination will be able to calculate their probable scores using the JEE Main official answer key 2021. As it is well known through JEE Main exam pattern that there is negative marking for the exam and correct answers bring certainly marks, the table below reflects the marking scheme to be referred to:
Marking Scheme of JEE Main 2020
Type of Response | Marking Scheme |
Correct response | Four marks awarded |
Incorrect response | One mark deducted |
No answer | No marks |
Marked for review | No Marks |
Thus, in order to calculate the probable scores in JEE Main, candidates need to use the formula given below
Probable Score = (No. of correct answers x 4) - (No. of incorrect answers)
* It may be noted that the calculated score is repeatedly being termed as probable because the authorities may cancel any question or even change the correct response in JEE Main answer key. Thus, the score so calculated may vary with a few marks as per the final JEE Main result.
Also Read:
JEE Main Rank Predictor 2021 - Predict your Rank from JEE Main 2021 Score
JEE Main College Predictor 2021
JEE Main 2021 Answer Key by Coaching Institutes
Previous Year JEE Main Answer Key
Candidates may find the JEE Main question papers as well as answer keys for the previous sessions for the purpose of reference.
JEE Main 2020 Final Answer Key
Paper | Answer Key |
Paper 1 | |
Paper 2 |
JEE Main 2020 Question Paper and Answer Key
Day | Question Paper and Answer Key |
January 6 | |
January 7 | |
January 8 | |
January 9 |
JEE Main April 2019 Question Papers and Answer Keys
JEE Main 2019 April Session | Sessions | Question Papers | Answer Key |
April 12, 2019 (Paper 1) | Forenoon Session | ||
Afternoon Session | |||
April 10, 2019 (Paper 1) | Forenoon Session | ||
Afternoon Session | |||
April 9, 2019 (Paper 1) | Forenoon Session | ||
Afternoon Session | |||
April 8, 2019 (Paper 1) | Forenoon Session | ||
Afternoon Session | |||
April 7, 2019 (Paper 2) | Forenoon Session | ||
Afternoon Session |
Frequently Asked Question (FAQs) - JEE Main Answer Key 2021 Final Out - Download Answer Key PDFs
Question: How can I download the JEE Main 2021 Answer Key?
Answer:
The JEE Main answer key is available for download by login using their application number and password/ date of birth.
Question: How can I challenge the JEE Main Answer Key 2021?
Answer:
Students who have any objection to the answers provided in the provisional JEE Main 2021 answer key could challenge through the official website from March 1 to 3 (5 pm).
Question: When will the JEE Main answer key 2021 released?
Answer:
NTA has released the provisional JEE Main February answer key on March 1. The final answer key of JEE Main 2021 has been released on March 7.
Question: Does NTA refund the JEE Main answer key fees if the objections are found valid?
Answer:
Yes! NTA will refund the challenge fees if the objection is found valid with proper supporting documents.
Question: Will the coaching institutes release JEE Main 2021 answer key?
Answer:
Yes. Various coaching institutes releases the answer key of JEE Main 2021 at their official websites.
Check here for Reliable Institute Kota.
Check here for Resonance.
Question: When will JEE Main February 2021 result be announced?
Answer:
The authorities will announce JEE Main 2021 result today on March 8.
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Questions related to JEE Main
percentile In jee main with 94 Marks
Hello Aspirtant,
As you know that this year JEE Mains Paper was ranged from easy to moderate difficulty level,so the cut off may increase.And with a score of 94,your expected percentile range will be around 92-94 percentile
You can also check your expected rank and your predicted college by using :
JEE MAIN RANK PREDICTOR :
https://engineering.careers360.com/jee-main-rank-predictor
JEE MAIN COLLEGE PREDICTOR :
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer
Happy to help you
Can I get NIT in 180 mark in jee mains 2021 I am OBC candidate
Mam i want to know whether a obc certificate made by UP government(it is written on certificate that it is eligible for any posts under government of india)as i am in obc ncl list by central government.So will i be eligible reservation for the delhi state college(like dtu or nsit)?
Dear aspirant,
As you have made your obc ncl certificate by UP government and in the central you also fall into this category then you don't need to worry about anything, you will surely get the benefit of the reservation in DTU, delhi.
For more information regarding the college you can follow the link given below-
https://www.careers360.com/university/delhi-technological-university-delhi/amp
On what minimum percentile of JEE is SSM College of Engineering Baramulla accepting aspirants??
Dear aspirant,
The cut offs colleges change every year and is decided only after the JEE results are announced. So for this years' cut off you need to check their official website after the declaration of JEE results. If you need details about previous years' cut offs of all the streams you can use the link attached below.
For more details regarding the cut off please check out the link given below-
when jee mains results come out
Dear aspirant,
NTA had announced to declare the result of JEE Main 2021 on March 7 i.e. today for the February session at the official website which is: jeemain.nta.nic.in. The exact time has not been notified yet and since the day is almost over students are getting impatient about the result but let's just wait till 10:00 pm. The results by NTA will also be available online at official website of nta which is dedicated for results:ntaresults.nic.in. To check the results you need to enter your application number and date of birth/password.