GATE Answer Key PDFs: Candidates can analyse these GATE Official Answer Keys with the marking schemes and get an idea about the probable scores for the GATE exams, as they are released before the GATE Results declaration. In this article, we have tried to compile the list of GATE Answer Keys, both subject-wise and year-wise.
In this article,
- GATE Answer Keys – Subject Wise
- GATE Answer Keys – Year Wise
- How to access the GATE Answer Keys?
- Steps to Calculate the Score with the help of GATE Answer Keys
- Steps to Challenge the GATE Answer Keys
- Significance of GATE Answer Key
- Frequently Asked Questions
Candidates can refer to Answer Key to check the questions asked in the respective GATE exam and the correct answers for the same. Along with the GATE answer key, the qualifying marks are also published on the official website. For Important Dates of GATE Exams 2022 – Visit GATE Exam Date
Meanwhile, here in this article below, we have compiled the GATE Answer Key with Solution both subject-wise and year-wise. As the latest answer keys have not gone live, we have compiled the official previous years’ GATE Answer Keys. Candidates can keep checking the page for further updates.
GATE Answer Keys – Subject Wise
GATE Answer Keys – Year Wise
In the tables below, please find the year-wise GATE Answer Key. After solving the question papers, candidates can refer to all these answer keys to self analyse their exam preparation.
Find GATE Answer Keys By Year:
GATE Answer Key 2023
The GATE 2023 Candidate’s Response and the GATE Answer Key will be available on the Application Portal on the 15th and 21st of February, respectively. Also, candidates will have the opportunity to challenge answer keys from 22nd to 25th February 2023.
GATE Answer Key 2022
Candidates who appeared in the GATE exam 2022 can easily access the answer key from the official portal, as the sheet is now available in the application portal. Candidates can also check the GATE Answer Key 2022 in the table below:
| Date of Exam | Paper/Subject | Answer Key PDF | BYJU’S Solved Answer Keys |
| 13th February 2022 | Mechanical Engineering (ME)- Session 1 | Download | Download |
| 13th February 2022 | Mechanical Engineering (ME)- Session 2 | Download | Download |
| 6th February 2022 | Electronics and Communication Engineering (EC) | Download | Download |
| 12th February 2022 | Civil Engineering (CE)- Session 1 | Download | Download |
| 12th February 2022 | Civil Engineering (CE)- Session 2 | Download | Download |
| 5th February 2022 | Computer Science and Information Technology (CS) | Download | Download |
| 5th February 2022 | Electrical Engineering (EE) | Download | Download |
| 6th February 2022 | Chemical Engineering (CH) | Download | – |
| 6th February 2022 | Chemistry (CY) | Download | – |
| 6th February 2022 | Environmental Science and Engineering (ES) | Download | – |
| 6th February 2022 | Instrumentation Engineering (IN) | Download | – |
| 13th February 2022 | Aerospace Engineering (AE) | Download | – |
| 6th February 2022 | Agricultural Engineering (AG) | Download | – |
| 13th February 2022 | Architecture and Planning (AR) | Download | – |
| 5th February 2022 | Biomedical Engineering (BM) | Download | – |
| 12th February 2022 | Biotechnology (BT) | Download | – |
| 12th February 2022 | Ecology and Evolution (EY) | Download | – |
| 5th February 2022 | Mathematics (MA) | Download | – |
| 12th February 2022 | Physics (PH) | Download | – |
| 13th February 2022 | Geomatics Engineering (GE) | Download | – |
| 6th February 2022 | Geology (GG) | Download | – |
| 6th February 2022 | Geophysics (GG) | Download | – |
| 13th February 2022 | Petroleum Engineering (PE) | Download | – |
| 6th February 2022 | Production and Industrial Engineering (PI) | Download | – |
| 6th February 2022 | Mining Engineering (MN) | Download | – |
| 6th February 2022 | Metallurgical Engineering (MT) | Download | – |
| 6th February 2022 | Naval Architecture and Marine Engineering (NM) | Download | – |
| 6th February 2022 | Statistics (ST) | Download | – |
| 6th February 2022 | Textile Engineering and Fibre Science (TF) | Download | – |
| 12th February 2022 | Engineering Sciences (XE) | Download | – |
| 12th February 2022 | Life Science (XL) | Download | – |
| 6th February 2022 | Humanities and Social Sciences (XH) | Download | – |
GATE Answer Key 2021
The best way to prepare for the upcoming GATE exams is to refer to the GATE 2021 Answer keys of the respective subject. Candidates can refer to these solutions and identify the mistakes to rectify them before the exams, so that they do not repeat the same for GATE exams. You can check the GATE Answer Key 2021 below:
| Date of Exam | Paper/Subject | Answer Key PDF | BYJU’S Solved Answer Key |
| February 14, 2021 (Forenoon) | Mechanical Engineering (ME)- Session 1 | Download | Download |
| February 14, 2021 (Afternoon) | Mechanical Engineering (ME)- Session 2 | Download | Download |
| February 7, 2021 (Afternoon) | Electronics and Communication Engineering (EC) | Download | Download |
| February 6, 2021 (Forenoon) | Civil Engineering (CE)- Session 1 | Download | Download |
| February 6, 2021 (Afternoon) | Civil Engineering (CE)- Session 2 | Download | Download |
| February 13, 2021 (Forenoon) | Computer Science and Information Technology (CS) Session 1 | Download | Download |
| February 13, 2021 (Afternoon) | Computer Science and Information Technology (CS) Session 2 | Download | Download |
| February 7, 2021 (Forenoon) | Electrical Engineering (EE) | Download | Download |
| February 13, 2021 (Forenoon) | Chemical Engineering (CH) | Download | – |
| February 6, 2021 (Forenoon) | Chemistry (CY) | Download | – |
| February 7, 2021 (Afternoon) | Environmental Science and Engineering (ES) | Download | – |
| February 6, 2021 (Forenoon) | Instrumentation Engineering (IN) | Download | – |
| February 6, 2021 (Afternoon) | Aerospace Engineering (AE) | Download | – |
| February 7, 2021 (Forenoon) | Agricultural Engineering (AG) | Download | – |
| February 6, 2021 (Afternoon) | Architecture and Planning (AR) | Download | – |
| February 6, 2021 (Afternoon) | Biomedical Engineering (BM) | Download | – |
| February 13, 2021 (Forenoon) | Biotechnology (BT) | Download | – |
| February 7, 2021 (Forenoon) | Ecology and Evolution (EY) | Download | – |
| February 13, 2021 (Forenoon) | Mathematics (MA) | Download | – |
| February 6, 2021 (Afternoon) | Physics (PH) | Download | – |
| February 7, 2021 (Forenoon) | Geology and Geophysics (GG) | Download | – |
| February 7, 2021 (Afternoon) | Petroleum Engineering (PE) | Download | – |
| February 7, 2021 (Afternoon) | Production and Industrial Engineering (PI) | Download | – |
| February 6, 2021 (Afternoon) | Mining Engineering (MN) | Download | – |
| February 14, 2021 (Afternoon) | Metallurgical Engineering (MT) | Download | – |
| February 7, 2021 (Afternoon) | Statistics (ST) | Download | – |
| February 13, 2021 (Forenoon) | Textile Engineering and Fibre Science (TF) | Download | – |
| February 13, 2021 (Afternoon) | Engineering Sciences (XE) | Download | – |
| February 13, 2021 (Afternoon) | Life Science (XL) | Download | – |
| February 14, 2021 (Forenoon) | Humanities and Social Sciences (XH) | Download | – |
GATE Answer Key 2020
One of the best preparation strategies that any candidate can devise to ace the GATE exams is to refer to the GATE 2020 Answer key. Referring to these solutions also helps to identify the mistakes and rectify them before the exams so that they do not repeat the same for GATE exams.
GATE Answer Key 2019
Candidates are advised to solve the GATE previous year paper and then later refer to the corresponding GATE Answer Key 2019 to gauge their performance. In addition, candidates should refer to these answer keys often if they ever have any doubts regarding the questions asked in the GATE exam question paper for the respective year. Also Explore, GATE 2019 Question Paper
GATE Answer Key 2018
GATE Answer key 2018 with the solution is the perfect reference material for the candidates who aspire to ace the GATE exams. Candidates can first solve the previous year’s papers and then refer to the respective answer key to identify where they have gone wrong. Also Explore, GATE 2018 Question Paper
Download–
| Date of Exam | Paper/Subject | Official Answer Key | BYJU’S Solved Answer Keys |
| February 3, 2018 (Forenoon) | Mechanical Engineering (ME)- Session 1 | Download | Download |
| February 3, 2018 (Afternoon) | Mechanical Engineering (ME)- Session 2 | Download | Download |
| February 10, 2018 (Forenoon) | Electronics and Communication Engineering (EC) | Download | Download |
| February 4, 2018 (Forenoon) | Computer Science and Information Technology (CS) | Download | Download |
| February 10, 2018 (Afternoon) | Electrical Engineering (EE) | Download | Download |
| February 11, 2018 (Forenoon) | Civil Engineering (CE)- Session 1 | Download | – |
| February 11, 2018 (Forenoon) | Civil Engineering (CE)- Session 2 | Download | – |
| February 3, 2018 (Afternoon) | Aerospace Engineering (AE) | Download | – |
| February 4, 2018 (Afternoon) | Agricultural Engineering (AG) | Download | – |
| February 4, 2018 (Afternoon) | Architecture and Planning (AR) | Download | – |
| February 4, 2018 (Afternoon) | Biotechnology (BT) | Download | – |
| February 4, 2018 (Afternoon) | Chemical Engineering (CH) | Download | – |
| February 4, 2018 (Afternoon) | Chemistry (CY) | Download | – |
| February 3, 2018 (Forenoon) | Ecology and Evolution (EY) | Download | – |
| February 4, 2018 (Afternoon) | Geology and Geophysics (GG) | Download | – |
| February 4, 2018 (Afternoon) | Instrumentation Engineering (IN) | Download | – |
| February 3, 2018 (Afternoon) | Mathematics (MA) | Download | – |
| February 4, 2018 (Forenoon) | Mining Engineering (MN) | Download | – |
| February 4, 2018 (Afternoon) | Metallurgical Engineering (MT) | Download | – |
| February 3, 2018 (Forenoon) | Petroleum Engineering (PE) | Download | – |
| February 4, 2018 (Afternoon) | Physics (PH) | Download | – |
| February 3, 2018 (Afternoon) | Production and Industrial Engineering (PI) | Download | |
| February 4, 2018 (Afternoon) | Textile Engineering and Fibre Science (TF) | Download | – |
| February 3, 2018 (Forenoon) | Engineering Sciences (XE) | Download | – |
| February 3, 2018 (Forenoon) | Life Science (XL) | Download | – |
GATE Answer Key 2017
GATE Answer Key 2017 helps the candidates to self analyse their performance or exam preparation. Accordingly, they can plan for their studies more efficiently so that they ace the GATE exams. Also Explore, GATE 2017 Question Paper
GATE Answer key 2016
GATE Answer Key 2016 helps the candidates to identify their mistakes and correct them before the exams. Referring to the answer keys is also the best way to clear any doubt regarding the key topics included in the respective previous year question paper. Also Explore, GATE 2016 Question Paper
GATE Answer key 2015
GATE Answer key 2014
How to access the GATE Answer Keys?
Below are the steps to Access the Answer Keys:
- Visit the official GATE website.
- Go to the “GATE 2021 Question Papers and Answer Keys Click here” link that will be updated once the answer keys are released.
- The question papers and answer keys can be found from these links
- Access the answer key and the corresponding question papers and get the PDF format.
- Can take the printout for future reference.
Steps to Calculate the Score with the help of GATE Answer Keys
First, identify the total number of correct answers and then allocate marks accordingly and subsequently calculate the overall marks. Finally, the candidate has to tally the overall negative marks for wrong attempts. Multiple Choice Questions (MCQs) will be given negative marks for wrong answers. Meanwhile, NAT questions will not have any negative marking. So the calculation is as follows:
- MCQs Mark: Total marks (1 mark) + Total marks (2 marks)
- Total marks (1 mark) = 1 x no. of correct attempts – 1/3 x no. of wrong attempts
- Total marks (2 marks) = 2 x number of correct attempts – 2/3 x number of wrong attempts
- NAT Marks: Total marks (1 mark) + Total marks (2 marks)
Formula: Total marks = Total marks secured for correct response – Negative marks for the wrong answer.
Steps to Challenge the GATE Answer Keys
Every candidate who aspires to challenge the answer keys can do so by paying INR 500 online, within a period specified by the authorities. To raise objections, the candidates have to follow the steps listed below:
- Get online on the official GATE website.
- Login with the registered ID and password.
- Then click on the link ‘GATE Answer Key 2021.’
- Choose the paper/discipline for which you had appeared.
- Now Click on ‘raise objection.’
- Identify the question number for which you want to object to the official answer key and then submit the question ID.
- Pay the objection fee via the available mode of payment.
The candidates can check the serial number of questions mentioned in the official question paper released on the website while challenging the GATE 2022 answer key. Moreover, candidates must also specify the section name and question number in the supporting document before uploading these documents. The expert committees consider the challenges on the GATE Answer Keys from the candidates. Then subsequently, the final answer keys are published based on the recommendations of the committees. Read Also: GATE 2024
Significance of GATE Answer Key
Meanwhile, the GATE Answer Keys are of great significance. Here, we have listed some points to show the importance of these answer keys.
- GATE answer keys constitute correct responses to the questions asked in the exams
- These answer keys provided transparency to the admission process
- They reduce the chance of unwanted penalisation of candidates
- Candidates can analyse the marking scheme and answer keys to get an idea about the scores
Stay tuned with BYJU’S to get more information regarding the latest updates, exams and resources for the GATE.
Frequently Asked Questions
Are GATE Answer keys published on the official website?
Yes, it will be available on the GATE official website.
When will the GATE 2023 answer key be released?
It will be released on 21st February on the Application Portal.
Can I challenge the GATE answer key?
Yes, candidates can challenge the GATE answer key online by paying Rs 500 per question and providing proper proof for the challenge.
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