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GATE 2026 PI question paper with official answer key
The complete GATE 2026 Production and Industrial Engineering (PI) paper: 65 questions for 100 marks, with the official answer to every question. Try each question first, then open its answer, or practise the whole paper free with a 3-hour timer and your score.
GATE 2026 PI paper at a glance
- Questions
- 65
- Total marks
- 100
- General Aptitude
- 10 questions · 15 marks
- PI subject
- 55 questions · 85 marks
- Question types
- 33 MCQ · 12 MSQ · 20 NAT
- Duration
- 3 hours
In GATE, each MCQ carries 1 or 2 marks; a wrong MCQ answer costs one-third of its marks (−1/3 for a 1-mark and −2/3 for a 2-mark question). MSQ (multiple select) and NAT (numerical answer) questions have no negative marking.
All 65 questions
Each question is shown exactly as in the official paper. Tap “Show answer” to check yourself.
Q.1 · General Aptitude · 1 mark · MCQ
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Answer: A
Q.2 · General Aptitude · 1 mark · MCQ
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Answer: A
Q.3 · General Aptitude · 1 mark · MCQ
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Answer: A
Q.4 · General Aptitude · 1 mark · MCQ
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Answer: C
Q.5 · General Aptitude · 1 mark · MCQ
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Answer: B
Q.6 · General Aptitude · 2 marks · MCQ
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Answer: A
Q.7 · General Aptitude · 2 marks · MCQ
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Answer: B
Q.8 · General Aptitude · 2 marks · MCQ
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Answer: A
Q.9 · General Aptitude · 2 marks · MCQ
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Answer: B
Q.10 · General Aptitude · 2 marks · MCQ
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Answer: D
Q.11 · PI · 1 mark · MCQ
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Answer: D
Q.12 · PI · 1 mark · MCQ
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Answer: B
Q.13 · PI · 1 mark · MCQ
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Answer: B
Q.14 · PI · 1 mark · MCQ
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Answer: B
Q.15 · PI · 1 mark · MCQ
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Answer: C
Q.16 · PI · 1 mark · MCQ
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Answer: A
Q.17 · PI · 1 mark · MCQ
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Answer: A
Q.18 · PI · 1 mark · MCQ
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Answer: D
Q.19 · PI · 1 mark · MCQ
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Answer: C
Q.20 · PI · 1 mark · MCQ
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Answer: D
Q.21 · PI · 1 mark · MCQ
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Answer: A
Q.22 · PI · 1 mark · MCQ
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Answer: C
Q.23 · PI · 1 mark · MCQ
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Answer: C
Q.24 · PI · 1 mark · MCQ
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Answer: D
Q.25 · PI · 1 mark · MSQ
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Answer: B, C
Q.26 · PI · 1 mark · MSQ
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Answer: A, D
Q.27 · PI · 1 mark · MSQ
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Answer: A, B, D
Q.28 · PI · 1 mark · MSQ
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Answer: A, C
Q.29 · PI · 1 mark · MSQ
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Answer: B, D
Q.30 · PI · 1 mark · NAT
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Answer: 80
Q.31 · PI · 1 mark · NAT
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Answer: 0.14 to 0.16
Q.32 · PI · 1 mark · NAT
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Answer: 28319 to 28324
Q.33 · PI · 1 mark · NAT
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Answer: 2.2 to 2.3
Q.34 · PI · 1 mark · NAT
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Answer: 1
Q.35 · PI · 1 mark · NAT
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Answer: 0
Q.36 · PI · 2 marks · MCQ
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Answer: A
Q.37 · PI · 2 marks · MCQ
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Answer: C
Q.38 · PI · 2 marks · MCQ
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Answer: C
Q.39 · PI · 2 marks · MCQ
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Answer: A
Q.40 · PI · 2 marks · MCQ
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Answer: A
Q.41 · PI · 2 marks · MCQ
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Answer: B
Q.42 · PI · 2 marks · MCQ
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Answer: B
Q.43 · PI · 2 marks · MCQ
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Answer: C
Q.44 · PI · 2 marks · MCQ
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Answer: B
Q.45 · PI · 2 marks · MSQ
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Answer: C, D
Q.46 · PI · 2 marks · MSQ
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Answer: C, D
Q.47 · PI · 2 marks · MSQ
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Answer: A, D
Q.48 · PI · 2 marks · MSQ
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Answer: C, D
Q.49 · PI · 2 marks · MSQ
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Answer: C, D
Q.50 · PI · 2 marks · MSQ
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Answer: A, B
Q.51 · PI · 2 marks · MSQ
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Answer: A, B
Q.52 · PI · 2 marks · NAT
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Answer: 9
Q.53 · PI · 2 marks · NAT
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Answer: 31 to 33
Q.54 · PI · 2 marks · NAT
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Answer: 1
Q.55 · PI · 2 marks · NAT
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Answer: 0.22 to 0.28
Q.56 · PI · 2 marks · NAT
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Answer: 2.4 to 2.6
Q.57 · PI · 2 marks · NAT
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Answer: 2665 to 2679
Q.58 · PI · 2 marks · NAT
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Answer: 0
Q.59 · PI · 2 marks · NAT
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Answer: 2
Q.60 · PI · 2 marks · NAT
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Answer: 14.5 to 14.9
Q.61 · PI · 2 marks · NAT
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Answer: 0.78 to 0.82
Q.62 · PI · 2 marks · NAT
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Answer: 75 to 78
Q.63 · PI · 2 marks · NAT
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Answer: 0.006
Q.64 · PI · 2 marks · NAT
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Answer: 9
Q.65 · PI · 2 marks · NAT
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Answer: 0.21 to 0.23
GATE 2026 PI official answer key
From the official GATE answer key ↗. Numerical answers are accepted anywhere in the range shown.
| Q. | Section | Type | Marks | Answer |
|---|---|---|---|---|
| 1 | GA | MCQ | 1 | A |
| 2 | GA | MCQ | 1 | A |
| 3 | GA | MCQ | 1 | A |
| 4 | GA | MCQ | 1 | C |
| 5 | GA | MCQ | 1 | B |
| 6 | GA | MCQ | 2 | A |
| 7 | GA | MCQ | 2 | B |
| 8 | GA | MCQ | 2 | A |
| 9 | GA | MCQ | 2 | B |
| 10 | GA | MCQ | 2 | D |
| 11 | PI | MCQ | 1 | D |
| 12 | PI | MCQ | 1 | B |
| 13 | PI | MCQ | 1 | B |
| 14 | PI | MCQ | 1 | B |
| 15 | PI | MCQ | 1 | C |
| 16 | PI | MCQ | 1 | A |
| 17 | PI | MCQ | 1 | A |
| 18 | PI | MCQ | 1 | D |
| 19 | PI | MCQ | 1 | C |
| 20 | PI | MCQ | 1 | D |
| 21 | PI | MCQ | 1 | A |
| 22 | PI | MCQ | 1 | C |
| 23 | PI | MCQ | 1 | C |
| 24 | PI | MCQ | 1 | D |
| 25 | PI | MSQ | 1 | B, C |
| 26 | PI | MSQ | 1 | A, D |
| 27 | PI | MSQ | 1 | A, B, D |
| 28 | PI | MSQ | 1 | A, C |
| 29 | PI | MSQ | 1 | B, D |
| 30 | PI | NAT | 1 | 80 |
| 31 | PI | NAT | 1 | 0.14 to 0.16 |
| 32 | PI | NAT | 1 | 28319 to 28324 |
| 33 | PI | NAT | 1 | 2.2 to 2.3 |
| 34 | PI | NAT | 1 | 1 |
| 35 | PI | NAT | 1 | 0 |
| 36 | PI | MCQ | 2 | A |
| 37 | PI | MCQ | 2 | C |
| 38 | PI | MCQ | 2 | C |
| 39 | PI | MCQ | 2 | A |
| 40 | PI | MCQ | 2 | A |
| 41 | PI | MCQ | 2 | B |
| 42 | PI | MCQ | 2 | B |
| 43 | PI | MCQ | 2 | C |
| 44 | PI | MCQ | 2 | B |
| 45 | PI | MSQ | 2 | C, D |
| 46 | PI | MSQ | 2 | C, D |
| 47 | PI | MSQ | 2 | A, D |
| 48 | PI | MSQ | 2 | C, D |
| 49 | PI | MSQ | 2 | C, D |
| 50 | PI | MSQ | 2 | A, B |
| 51 | PI | MSQ | 2 | A, B |
| 52 | PI | NAT | 2 | 9 |
| 53 | PI | NAT | 2 | 31 to 33 |
| 54 | PI | NAT | 2 | 1 |
| 55 | PI | NAT | 2 | 0.22 to 0.28 |
| 56 | PI | NAT | 2 | 2.4 to 2.6 |
| 57 | PI | NAT | 2 | 2665 to 2679 |
| 58 | PI | NAT | 2 | 0 |
| 59 | PI | NAT | 2 | 2 |
| 60 | PI | NAT | 2 | 14.5 to 14.9 |
| 61 | PI | NAT | 2 | 0.78 to 0.82 |
| 62 | PI | NAT | 2 | 75 to 78 |
| 63 | PI | NAT | 2 | 0.006 |
| 64 | PI | NAT | 2 | 9 |
| 65 | PI | NAT | 2 | 0.21 to 0.23 |
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