GATE 2018 exam pattern contain details about number of questions asked in the examination, number of sections, marking scheme and time duration. Graduate Aptitude Test in Engineering (GATE) is conducted for admission to M.E./M.Tech/Direct Ph.D programmes in IITs, NITs, GFTI and various private institutions. This exam is organized by seven zonal IITs and an IISc on rotation basis. GATE 2018 exam is conducted by the IIT, Guwahati on 3rd – 4th February & 10th – 11th February 2018. Check below GATE exam pattern 2018 in detail.


The examination of GATE for 23 papers will be conducted in online mode only (Computer Based Test). Students can appear only one paper. GATE 2018 examination will be held during forenoon (9:00 AM to 12:00 Noon) and afternoon (12:00 PM to 5:00 PM) sessions of weekends. GATE will also be conducted in International centres and the session timings at as per their local time.
Question Type: The question paper of GATE 2018 consisting of both multiple-choice type (MCQ) and numerical answer type (NAT). For objective type questions, there are multiple options available out of which students have to choose only the right answer. For numerical answer type questions, candidates have to enter a number using the virtual keyword available on the computer screen during the examination.
Number of Questions: The question paper of GATE will contain 65 question of maximum 100 marks.
Exam Duration: 3 hours
Check the GATE paper and paper codes for GATE 2018 from the below table:
Paper Paper Code Paper Paper Code
Aerospace Engineering AE Geology and Geophysics GG
Agricultural Engineering AG Instrumentation Engineering IN
Architecture and Planning AR Mathematics MA
Biotechnology BT Mechanical Engineering ME
Civil Engineering CE Mining Engineering MN
Chemical Engineering CH Metallurgical Engineering MT
Computer Science and Information Technology CS Petroleum Engineering PE
Chemistry CY Physics PH
Electronics and Communication Engineering EC Production and Industrial Engineering PI
Electrical Engineering EE Textile Engineering and Fiber Science TF
Ecology and Evolution EY Engineering Sciences XE
Life Sciences XL
Exam pattern for various papers:

  • In the papers of AE, AG, BT, CE, CH, CS, EC, EE, IN, ME, MN, MT, PE, PI, TF and XE, Engineering Mathematics will carry 15% marks of total marks, General Aptitude section will contain 15% marks and rest of the 70% marks will be contained by the core subject of the paper.
  • In the papers AR, CY, EY, GG, MA, PH and XL, General Aptitude section will carry 15% of the total marks and remaining 85% marks will be carried by the core subject of the paper.
  • The General Aptitude section 5 questions of 1 Mark and 5 questions of 2 marks.
  • Question paper other than GG, XE and XL will contain 25 questions of 1 mark and 30 questions of 2

For XE Paper:

Candidate appearing XE paper has to attempt the following sections:

  • Section A – Engineering Mathematics (compulsory section) – contains 11 questions (7 questions of 1 mark and 4 questions of 2 marks)
  • GA – General Aptitude
  • Any two of XE sections B to H – contains 22 questions (9 questions carrying 1 mark and 13 questions carrying 2 marks)

XE paper contains the following sections:

Sections Code
Engineering Mathematics A
Fluid Mechanics B
Materials Science C
Solid Mechanics D
Thermodynamics E
Polymer Science and Engineering F
Food Technology G
Atmospheric and Oceanic Sciences H
For XL Paper:

Candidate appearing XL paper has to attempt the following sections:

  • Section P– Chemistry (compulsory section) – It contains 15 questions (5 questions of 1 marks and 10 questions of 2 marks)
  • GA – General Aptitude
  • Any two of XL sections Q to U – It contains 20 questions (10 questions of 1 mark and 10 questions of 2 marks)

XL Paper of GATE has the following sections:

Sections Code
Chemistry P
Biochemistry Q
Botany R
Microbiology S
Zoology T
Food Technology U

Students can choose the sections during examination after viewing the questions.

For GG Paper:

The question paper will consist of two parts: Part A and Part B. Part A is common for all candidates. Part B has 2 sections; Section-1 is of Geology and Section-2 is of Geophysics. In Part A, there is total 25 of 1 mark each. In Part B, each section contain 30 questions of 2 marks.
Note: Apart from core subject of the paper, General Aptitude (GA) is the common section in each paper of GATE.

Marking Scheme

There is a negative marking in GATE for multiple choice questions. For Numerical answer type questions, no negative marking will be there. For 1-mark question, 1/3 mark will be deducted for wrong answers and for 2 marks question, 2/3 marks will be deducted.