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GATE 2018 Engineering Sciences (XE) Answer Key, Question Paper & Analysis

Last Updated - March 12, 2018

GATE XE 2018 Exam has been held successfully on February 3, 2018. The paper was of moderate level. As compared to previous year this time Engineering Mathematics paper was easy. Most of the questions were asked from Linear Algebra. Review Groups, Fields and Matrices. Vector Spaces, Subspaces, Linearly Dependent/Independent of Vectors. Check GATE Cut off

The Official GATE 2018 Answer key and Question Paper has been released – 

Engineering Sciences (XE) Paper Sections
Engineering Mathematics (XE-A)Question Paper (Includes GA)Answer Key (All Sections)
Fluid Mechanics (XE-B)Question Paper
Materials Science (XE-C)Question Paper
Solid Mechanics (XE-D)Question Paper
Thermodynamics (XE-E)Question Paper
Polymer Science and Engineering (XE-F)Question Paper 
Food Technology (XE-G)Question Paper 
Atmospheric and Oceanic Sciences (XE-H)Question Paper 
  • Functions of single variable: Limit, continuity and differentiability were of moderate difficulty level. Check GATE XE Paper Analysis
  • Questions were asked from – Eigenvalues and eigen vectors; Diagonalisation of matrices; Cayley-Hamilton Theorem.
  • Kinematics section involved questions from Eulerian and Lagrangian description of fluids motion, concept of local and convective accelerations, steady and unsteady flows.
  • The maximum marks out of 100, as per previous years’ figure is 78.33 whereas the minimum marks in GATE 2018 would be 18.
  • Cut off for GATE 2018 XE would be released along with the results which would differ from candidate’s category to category (General/SC/ST/OBC/PH).
  • The scores and rank obtained in GATE 2018 XE paper by candidates will be accepted in all IITs, NITs and other top institutes that offers M.Tech. in the same branch. Check GATE Participating Colleges
  • GATE Result will be declared on March 17, 2018.
  • GATE 2018 (XE) scorecard is also used by several PSU for recruiting for the position of entry-level graduate engineers.

GATE 2018 XE Answer Key

GATE 2018 (XE) answer key will be released via online mode by the examination conducting authority, that is, IIT Guwahati on February 15, 2018. Answer key is quite helpful for candidates appearing for the entrance examination as they can calculate an estimate score that could be expected.

In the case of any discrepancy in the released answer keys, the candidates can challenge it within a stipulated date, that is tentatively by March 1, 2018 – March 5, 2018. The respective dates would be clearly mentioned on GATE 2018 official website.

How to Download GATE 2018 XE Answer Key?

  1. Visit the official website for GATE 2018 i.e.
  2. Click on the link that says post exam à Answer key (XE) 2018
  3. Enter the required candidate’s credentials i.e. Registration ID and Password.
  4. Click on submit button.
  5. GATE 2018 (XE) Answer Key will then be displayed in pdf format.
  6. Download it and cross-check your answers.
  7. Do take a print out for future academic reference.

GATE 2018 XE Paper Analysis

The estimated detailed paper analysis of the GATE examination for engineering science is elaborated in this section. The analysis would help candidates appearing for this exam to have a better understanding of the exam pattern as well as difficulty level.

  1. Overall Difficulty Level

  • The Section A that is Engineering Mathematics was of moderate difficulty level. 
  • Few questions was prompted from General Aptitude which was common to all GATE question papers including engineering science (XE). The questions related to this subject was trickier.
  • Section B of the question paper have 7 topics from which candidates have to choose two of them. The questions from this section are expected to range from moderate to difficult. 
  1. Types of Questions

  • The paper have theoretical as well as numerical answer type questions overall.
  • Some direct one liner questions was seen.
  1. Decider

  • Engineering Mathematics is a compulsory section that carries 15% of the total weightage.
  • The questions based main subject, that is, engineering science exam have 70% of the total weightage in GATE 2018 (XE) question paper.
  • The remaining part of GATE (XE) question paper would include General Aptitude questions which has 15% of the total weightage.

Subject-wise weightage in GATE 2018 Engineering Sciences (XE)

SectionSubjectSubject-wise weightage in GATE 2018 Engineering Sciences (XE)
AEngineering Mathematics and General Aptitude15
B (any two-optional section)Fluid Mechanics,
Material Science,
Solid Mechanics,
Polymer Science and Engineering,
Food Technology or
Atmospheric and Oceanic sciences.
Grand Total50

GATE 2018 XE Cut off

Cut off marks are the minimum qualifying marks that a candidate needs in order to be able to attend the counselling and later get admissions to desired course and college. GATE 2018 Engineering Science cut off marks would vary from candidate’s category to category. GATE Cut off 2018 for all the listed categories is as follows:

CategoryMinimum Qualifying Cut Off
SC, ST and OBC29.26
Physically Handicapped21.67

NOTE: The figures mentioned above is tentative and subject to change as per discretion. Candidates are recommended to check with GATE 2018 (XE) cut off released on the official website of GATE 2018 after the announcement of respective results.



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