GATE 2021 Answer Key PI Production and Industrial Engineering
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GATE 2021 Answer Key PI Production and Industrial Engineering is available here for free download. Published by IIT for Graduate Aptitude Test in Engineering, this answer key can be viewed online or downloaded as a PDF (3 pages). Candidates preparing for Graduate Aptitude Test in Engineering can use GATE 2021 Answer Key PI Production and Industrial Engineering to understand the exam pattern, the type of questions asked, and the overall difficulty level.
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GATE 2021 Answer Key PI Production and Industrial Engineering – Text
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📄 View text version (3 pages)
Page 1
Subject/Paper: Production and Industrial Engineering (PI)
1 4 MCQ GA C 1 1/3
2 4 MCQ GA B 1 1/3
3 4 MCQ GA C 1 1/3
4 4 MCQ GA C 1 1/3
5 4 MCQ GA B 1 1/3
6 4 MCQ GA C 2 2/3
7 4 MCQ GA D 2 2/3
8 4 MCQ GA A 2 2/3
9 4 MCQ GA C 2 2/3
10 4 MCQ GA A 2 2/3
1 4 MCQ PI C 1 1/3
2 4 MCQ PI A 1 1/3
3 4 MCQ PI C 1 1/3
4 4 MCQ PI B 1 1/3
5 4 MCQ PI D 1 1/3
6 4 MCQ PI C 1 1/3
7 4 MCQ PI D 1 1/3
8 4 MCQ PI B 1 1/3
9 4 MCQ PI B 1 1/3
10 4 MCQ PI B 1 1/3
Page 2
12 4 MCQ PI B 1 1/3
13 4 MCQ PI C 1 1/3
14 4 MCQ PI A 1 1/3
15 4 MCQ PI C 1 1/3
16 4 MCQ PI D 1 1/3
17 4 MCQ PI MTA 1 1/3
18 4 NAT PI 404.00 to 405.00 1 0
19 4 NAT PI 0.17 to 0.19 1 0
20 4 NAT PI 2100 to 2100 1 0
21 4 NAT PI 9545.0 to 9555.0 1 0
22 4 NAT PI 2.4 to 2.6 1 0
23 4 NAT PI 52.2 to 52.5 1 0
24 4 NAT PI 2.4 to 2.6 1 0
25 4 NAT PI 136 to 136 1 0
26 4 MCQ PI A 2 2/3
27 4 MCQ PI C 2 2/3
28 4 MCQ PI B 2 2/3
29 4 MCQ PI C 2 2/3
30 4 MCQ PI A 2 2/3
31 4 MCQ PI B 2 2/3
32 4 MCQ PI B 2 2/3
33 4 MCQ PI A 2 2/3
Page 3
35 4 MCQ PI A 2 2/3
36 4 MCQ PI A 2 2/3
37 4 NAT PI 2 to 2 2 0
38 4 NAT PI 0.365 to 0.370 2 0
39 4 NAT PI 4 to 4 2 0
40 4 NAT PI 90 to 90 2 0
41 4 NAT PI 335000 to 335000 2 0
42 4 NAT PI 5 to 5 2 0
43 4 NAT PI 16.80 to 16.84 2 0
44 4 NAT PI 8.8 to 9.2 2 0
45 4 NAT PI 74.5 to 75.5 2 0
46 4 NAT PI 28.0 to 30.0 2 0
47 4 NAT PI 89.0 to 91.0 2 0
48 4 NAT PI 0.193 to 0.203 2 0
49 4 NAT PI 1999.0 to 2001.0 2 0
50 4 NAT PI 147.00 to 147.30 2 0
51 4 NAT PI -5773.7 to -5773.4 2 0
52 4 NAT PI 5.0 to 5.2 2 0
53 4 NAT PI 33.4 to 33.6 2 0
20943.8 to
54 4 NAT PI 2 0
20944.1
55 4 NAT PI 1.85 to 1.95 2 0
MTA means Marks to All
Document Details
| Board / Org | IIT |
| Exam | Graduate Aptitude Test in Engineering |
| Type | Answer Key |
| Pages | 3 |
| Language | english |
| Updated | 30 Apr 2026 |