GATE 2019 Answer Key – The GATE Final Answer Key has beenmade available for the candidates. Earlier the unofficial answer key and Question paper were made available by Made Easy, GATE Forum, GATE Academy, etc. We had also uploaded memory based questions and answers here. For CY, ME, CS, etc you can also check video solution and analysis. GATE 2019 is on February 02, 03, 09, and 10. Candidates can use GATE Answer Key to cross check answers and calculate raw scores. To know the score, add 1 or 2 marks for correct answer and deduct 1/3 and 2/3 marks accordingly. The Final answer key has been released on March 13, 2019. The provisional answer key of GATE by IIT Madras was been released on February 19, 2019. Know more details on GATE 2019 Answer Key from this page.
– Check Response Sheet For Exam Held On Feb 02 and 03, 2019 –
GATE 2019 Answer Key
After the exam, IIT Madras releases GATE 2019 response Sheet and question paper. Thereafter, the official answer keys are made available. However, the unofficial answer keys that are memory based are available on the day of the exam itself. Check important dates below:
GATE 2019 Answer Key  Dates 

GATE 2019 Unofficial Answer Key Releases on  02, 03, 09 and 10 Feb 2019 
Release Of Response Sheets For exam held on Feb 02 & 03, 2019  07 Feb 2019 
Release Of Response Sheets For exam held on Feb 09 & 10, 2019  14 Feb 2019 
Release of GATE 2019 Official Answer Key  19 Feb 2019 
Release of GATE 2019 Final Answer Key  13 Mar 2019 
– Get Here GATE 2019 Analysis –
GATE 2019 Official Answer Key and Question Paper
Final Answer Key
GATE 2019 Question Papers and Answer Keys  

Aerospace Engineering (AE)  Answer Key 
Agricultural Engineering (AG)  Answer Key 
Architecture and Planning (AR)  Answer Key 
Biotechnology (BT)  Answer Key 
Civil Engineering (CE)  Answer Key (CE1) Answer Key (CE2) 
Chemical Engineering (CH)  Answer Key 
Computer Science and Information Technology (CS)  Answer Key 
Chemistry (CY)  Answer Key 
Electronics and Communication Engineering (EC)  Answer Key 
Electrical Engineering (EE)  Answer Key 
Ecology and Evolution (EY)  Answer Key 
Geology and Geophysics (GG)  Answer Key 
Instrumentation Engineering (IN)  Answer Key 
Mathematics (MA)  Answer Key 
Mechanical Engineering (ME)  Answer Key (ME1) Answer Key (ME2) 
Mining Engineering (MN)  Answer Key 
Metallurgical Engineering (MT)  Answer Key 
Petroleum Engineering (PE)  Answer Key 
Physics (PH)  Answer Key 
Production and Industrial Engineering (PI)  Answer Key 
Statistics (ST)  Answer Key 
Textile Engineering and Fibre Science (TF)  Answer Key 
Engineering Sciences (XEA, B, C, D, E, F, G, H)  Answer Key 
Life Sciences (XLP, Q, R, S, T, U)  Answer Key 
Provisional Answer Key
Date and Session  Subject Paper  GATE 2019 Answer Key And Question Paper 
02 Feb 2019
(Session 1) 
CY  Answer Key Question Paper 
ME1  Answer Key Question Paper 

MN  Answer Key Question Paper 

02 Feb 2019
(Session 2) 
ME2  Answer Key Question Paper 
XE  Answer Key Question Paper 

XL  Answer Key Question Paper 

TF  Answer Key Question Paper 

02 Feb 2019
(Session 3) 
CS  Answer Key Question Paper 
CH  Answer Key Question Paper 

02 Feb 2019
(Session 4) 
AE  Answer Key Question Paper 
AG  Answer Key Question Paper 

AR  Answer Key Question Paper 

BT  Answer Key Question Paper 

EY  Answer Key Question Paper 

GG  Answer Key Question Paper 

IN  Answer Key Question Paper 

MA  Answer Key Question Paper 

MT  Answer Key Question Paper 

PE  Answer Key Question Paper 

PH  Answer Key Question Paper 

PI  Answer Key Question Paper 

ST  Answer Key Question Paper 

09 Feb 2019
(Session 5) 
EC  Answer Key Question Paper 
09 Feb 2019
(Session 6) 
EE  Answer Key Question Paper 
10 Feb 2019
(Session 7) 
CE1  Answer Key Question Paper 
10 Feb 2019
(Session 8) 
CE2  Answer Key Question Paper 
GATE 2019 Answer Key by Coaching Centers
Candidates can check and download GATE 2019 answer key by coaching institutes from the link below.
Date and Session  Subject Paper  GATE 2019 Answer Key 
02 Feb 2019 (Session 1) 
CY  Made Easy GATE Forum 
ME1  Answer Key by Made Easy Answer Key by GATE Forum 

MN  Made Easy GATE Forum 

02 Feb 2019 (Session 2) 
ME2  Answer Key by Made Easy Answer Key by GATE Forum 
XE  Made Easy GATE Forum 

XL  Made Easy GATE Forum 

TF  Made Easy GATE Forum 

02 Feb 2019 (Session 3) 
CS  Answer Key by Made Easy Answer Key by GATE Forum 
CH  Made Easy GATE Forum 

02 Feb 2019 (Session 4) 
AE  Made Easy GATE Forum 
AG  Made Easy GATE Forum 

AR  Made Easy GATE Forum 

BT  Made Easy GATE Forum 

EY  Made Easy GATE Forum 

GG  Made Easy GATE Forum 

IN  Made Easy Answer Key by GATE Forum 

MA  Made Easy GATE Forum 

MT  Made Easy GATE Forum 

PE  Made Easy GATE Forum 

PH  Made Easy GATE Forum 

PI  Made Easy GATE Forum 

ST  Made Easy GATE Forum 

09 Feb 2019 (Session 5) 
EC  Made Easy GATE Forum 
09 Feb 2019 (Session 6) 
EE  Made Easy GATE Forum 
10 Feb 2019 (Session 7) 
CE1  Made Easy GATE Forum 
10 Feb 2019 (Session 8) 
CE2  Made Easy GATE Forum 
GATE 2019 Solutions for CS, IN, MA, ME
GATE 2019 MA solutions
Check the solutions for GATE 2019 CS by Grade Up in the video format below:
GATE 2019 Memory Based Questions with Answer for Session 3 & 4 (Feb 03)
Below are the memory based questions. Candidates must note that these are the questions that have been curated on the basis students inputs after the exam
Session 3 Day 2
Coming soon!
Session 03 Day 2
Ques. Z = X Y, if X and Y are 2 nbit numbers. What is the number of bits required to store Z so that overflow doesn’t occur?
(A) n+1
(B) n+2
(C) n1
(D) n
Ques. Max and min value ..3 process
P1(……..d+20…)
P2(…….d50…..)
P3(……d+10….)
Initial value of d=100..
P1,p2,p3 concurrent process
Ques. Ten friends decided to give a gift to the teacher by dividing the total amount. If 2 of them decided to not to give then each of them want to give 150rs more. What was the total amount?
Ques. Consider the following snapshot of a system running n processes. Process i is holding Xi instances of a resource R, 1 <= i < = n. currently, all instances of R are occupied. Further, for all i, process i has placed a request for additional Yi instances while holding the Xi instances it already has. There are exactly two processes p and q such that Yp = Yq = 0. What condition will make sure only Xp and Xq are executed.
Ques. If 15 computers are to be connected using 8 port ethernet switches, then the minimum number of switches required is __, Assume no separate uplink port is available
Ques. Find absolute value of the product of eigen values of the matrix
[1 2 4 8]
[1 3 9 16]
[1 4 16 64]
[1 5 25 125]
Ques. What is the total number of different Hamiltonian Cycle for the complete graph of n vertices?
Ques. Given the Functional dependencies: QR>S, R>P, S>Q, They are decomposed into 2 functional dependencies Y(PR) and Z(QRS). Which of the following statements is/are true.
S1: Y and Z are in BCN
S2: Y and Z are both dependency preserving and lossless decompositions
Ques. There was one Aptitude question which was Who committed the crime?
(A) P said q committed the crime – False
(B) Q said S Committed crime – False
(C) R said – I did not do anything – False
(D) S said – Whatever Q said is false – True
Ques. There was a question related to the Switch Internet
GATE 2019 Memory Based Questions with Answer for Session 1 & 2 (Feb 02)
How To Download The GATE 2019 Answer Key
The GATE 2019 Official Answer Key is made available over the official website. The Answer Key is made available in a PDF format. To know how you can access the Answer Keys check the steps below:
 Click on the direct link that will be available here as and when the answer key is available.
 The official answer key and the question paper are made available on the screen.
 Click on the link that is corresponding to the paper you have appeared for in the exam.
 The PDF of the answer key is made available on the screen.
 Download the file for future references.
How To Use The GATE 2019 Answer Key
To use the GATE 2019 Answer key the candidates have to keep ready the following documents:
 The response Sheets
 The question papers
 Answer Key
Now, when you have these documents in hand, use the steps below to use the GATE 2019 answer key:
 Crosscheck the answers you have marked using the answer key with the GATE 2019 Answer Key.
 Count how many answers are correct
 Now get the marking scheme of the paper you have appeared for.
 Use this formula to get the probable score of the GATE 2019 exam:
 The total marks = Total marks obtained for correct attempts – Negative marks for incorrect attempts
Know this: The MCQs in GATE have negative marking but there is no negative marking for the NATs
What Is The Importance Of The GATE 2019 Answer Key
Well, the GATE 2019 answer key is very important as it is the process which builds up a transparency between the examinees and the evaluator. Here are the advantages or importance of the GATE 2019 Answer Key:
 You get to know what are the correct answers that the authorities use to evaluate your GATE 2019 Result.
 In addition to that, you are able to get a predetermined probable score and plan your admissions in the institutes.
 You are also getting a chance to challenge the answer keys if you feel any answer therein is wrong. You just need to produce proper proof for your claims.
 Also, the analysis of cutoff can be done via the calculation of scores using the GATE 2019 Answer Keys.
How To Challange The GATE 2019 Answer Key
To challenge the GATE 2019 Answer key the candidates need to visit the official site and work in the steps given below:
 Log in using the GATE enrollment Id and password at GOAPS.
 Thereafter click on the “challenge answer key” option.
 Enter the question number you wish to challenge.
 Attach the necessary document in support of the challenge.
 Make the payment of Rs. 500/. The payment of Rs. 500 is to be made per challenge.
The GATE 2019 Answer Key Challenge window is opened for a limited period of time. The candidates have to contest their challenges during the available time frame only.
GATE 2019 Final Answer Key
The Final Answer Key of GATE is available after the challenges that the provisional answer key receives are resolved. the GATE 2019 Final Answer Key is only released if any challenge is accepted and changes are made n the provisional key. It must be noted that the result is based on the answers in the final answer key. Also, the final answer key cannot be challenged any further. Similarly to check the GATE 2019 Final Answer Key the candidates need to visit the official GATE website.
GATE 2019 Previous Year Official Answer Key Release Date
Going by the last few years the GATE 2019 Answer Keys were released in the following dates. Thus it is expected that the GATE 2019 Answer Keys will be available in the 3rd or 4th week of February 2019.
Year  GATE Exam Date  GATE Official Answer Key Release Date 

2018  3rd, 4th, 10th, 11th February  21st February 
2017  4th, 5th, 11th, 12th February  26th February 
2016  30th, 31st January and 6th, 7th February  27th February 
GATE 2019 Response Sheet
The conducting body also releases the GATE 2019 Response Sheet over the official website. The response sheet is the replicas of the responses that one marks in the exam. Thus, the candidates using the response sheets knows what answer they had actually marked in the exam. To get the response sheet, the candidates need to follow the steps below:
 Login to GOAPS using the GATE 2019 enrollment ID and password.
 Click on the link thereafter that says – “check response sheets”.
 On clicking the link the downloadable response sheet appears on the screen,
 Download the same for future uses.
One needs to compare their response in the exam with the GATE 2019 Official Answer Key to know how many answers they have got right and how many wrong. Thus, they can calculate their probable GATE 2019 score.
GATE 2019 Question Papers
The GATE 2019 Question Papers are made available over the official site a few days after the exam is over. The candidates can visit the official site and get the question papers for the paper they had appeared for in the GATE 2019 exam. To get the answer key the candidates need to follow the steps below:
 Go to the official website when the question paper is released.
 The question paper is made available in the PDF format.
 Access the PDF file and download the same.
The question paper will have the questions and the four options corresponding to them. The candidates will be able to check the question paper as it is that was made available to them in the online exam.
Types of Questions in GATE 2019 Question Papers: There are 2 types of questions in the GATE 2019 Question Papers
 Multiple Choice Questions (MCQ) carrying 1 or 2 marks each in all the papers and sections. These questions are objective in nature, and each will have a choice of four answers, out of which the candidate has to select (mark) the correct answer.
 Numerical Answer Type (NAT) Questions carrying 1 or 2 marks each in all the papers and
sections.
GATE 2019 Result
IIT Madras will release the GATE 2019 Result based on the GATE 2019 Final Answer Key. The Result for GATE 2019 will have the percentile scores for the papers that are held in multisession and the raw scores for the papers that are held in single sessions.
The GATE 2019 Result is available in 2 ways: The first will be declaration fo the result that includes the marks out of 100 and the qualifying marks for each category, the second is the GATE 2019 Scorecard that is issued only to the GATE qualified candidates. The scorecard is to be downloaded and used at the time of admission/recruitments.