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GATE 2023 ST question paper with official answer key
The complete GATE 2023 Statistics (ST) 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 2023 ST paper at a glance
- Questions
- 65
- Total marks
- 100
- General Aptitude
- 10 questions · 15 marks
- ST subject
- 55 questions · 85 marks
- Question types
- 41 MCQ · 10 MSQ · 14 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: C
Q.2 · General Aptitude · 1 mark · MCQ
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Answer: C
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: D
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: D
Q.7 · General Aptitude · 2 marks · MCQ
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Answer: A
Q.8 · General Aptitude · 2 marks · MCQ
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Answer: D
Q.9 · General Aptitude · 2 marks · MCQ
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Answer: A
Q.10 · General Aptitude · 2 marks · MCQ
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Answer: A
Q.11 · ST · 1 mark · MCQ
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Answer: C
Q.12 · ST · 1 mark · MCQ
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Answer: A
Q.13 · ST · 1 mark · MCQ
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Answer: C
Q.14 · ST · 1 mark · MCQ
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Answer: A
Q.15 · ST · 1 mark · MCQ
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Answer: A
Q.16 · ST · 1 mark · MCQ
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Answer: A
Q.17 · ST · 1 mark · MCQ
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Answer: A
Q.18 · ST · 1 mark · MCQ
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Answer: C
Q.19 · ST · 1 mark · MCQ
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Answer: A
Q.20 · ST · 1 mark · MCQ
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Answer: A
Q.21 · ST · 1 mark · MCQ
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Answer: A
Q.22 · ST · 1 mark · MCQ
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Answer: A
Q.23 · ST · 1 mark · MCQ
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Answer: A
Q.24 · ST · 1 mark · MCQ
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Answer: A
Q.25 · ST · 1 mark · MCQ
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Answer: A
Q.26 · ST · 1 mark · MCQ
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Answer: C
Q.27 · ST · 1 mark · MCQ
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Answer: C
Q.28 · ST · 1 mark · MCQ
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Answer: C
Q.29 · ST · 1 mark · NAT
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Answer: 0.32 to 0.38
Q.30 · ST · 1 mark · NAT
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Answer: 6.1 to 6.4
Q.31 · ST · 1 mark · NAT
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Answer: 0.28 to 0.32
Q.32 · ST · 1 mark · NAT
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Answer: 0
Q.33 · ST · 1 mark · NAT
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Answer: 6
Q.34 · ST · 1 mark · NAT
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Answer: 0.36 to 0.39
Q.35 · ST · 1 mark · NAT
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Answer: 0.35 to 0.4
Q.36 · ST · 2 marks · MCQ
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Answer: C
Q.37 · ST · 2 marks · MCQ
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Answer: A
Q.38 · ST · 2 marks · MCQ
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Answer: C
Q.39 · ST · 2 marks · MCQ
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Answer: A
Q.40 · ST · 2 marks · MCQ
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Answer: A
Q.41 · ST · 2 marks · MCQ
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Answer: A
Q.42 · ST · 2 marks · MCQ
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Answer: A
Q.43 · ST · 2 marks · MCQ
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Answer: C
Q.44 · ST · 2 marks · MCQ
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Answer: A
Q.45 · ST · 2 marks · MCQ
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Answer: C
Q.46 · ST · 2 marks · MCQ
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Answer: B
Q.47 · ST · 2 marks · MCQ
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Answer: C
Q.48 · ST · 2 marks · MCQ
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Answer: D
Q.49 · ST · 2 marks · MSQ
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Answer: A, C, D
Q.50 · ST · 2 marks · MSQ
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Answer: A, B, C
Q.51 · ST · 2 marks · MSQ
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Answer: B, D
Q.52 · ST · 2 marks · MSQ
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Answer: B, D
Q.53 · ST · 2 marks · MSQ
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Answer: C, D
Q.54 · ST · 2 marks · MSQ
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Answer: B, D
Q.55 · ST · 2 marks · MSQ
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Answer: A, C
Q.56 · ST · 2 marks · MSQ
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Answer: A, B, D
Q.57 · ST · 2 marks · MSQ
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Answer: A, B, C
Q.58 · ST · 2 marks · MSQ
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Answer: A, B
Q.59 · ST · 2 marks · NAT
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Answer: 14
Q.60 · ST · 2 marks · NAT
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Answer: 0.49 to 0.51
Q.61 · ST · 2 marks · NAT
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Answer: 0.12 to 0.16
Q.62 · ST · 2 marks · NAT
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Answer: 2.7 to 2.9
Q.63 · ST · 2 marks · NAT
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Answer: 2.6 to 2.9
Q.64 · ST · 2 marks · NAT
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Answer: 1.2 to 1.3
Q.65 · ST · 2 marks · NAT
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Answer: 1.35 to 1.4
GATE 2023 ST 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 | C |
| 2 | GA | MCQ | 1 | C |
| 3 | GA | MCQ | 1 | A |
| 4 | GA | MCQ | 1 | D |
| 5 | GA | MCQ | 1 | B |
| 6 | GA | MCQ | 2 | D |
| 7 | GA | MCQ | 2 | A |
| 8 | GA | MCQ | 2 | D |
| 9 | GA | MCQ | 2 | A |
| 10 | GA | MCQ | 2 | A |
| 11 | ST | MCQ | 1 | C |
| 12 | ST | MCQ | 1 | A |
| 13 | ST | MCQ | 1 | C |
| 14 | ST | MCQ | 1 | A |
| 15 | ST | MCQ | 1 | A |
| 16 | ST | MCQ | 1 | A |
| 17 | ST | MCQ | 1 | A |
| 18 | ST | MCQ | 1 | C |
| 19 | ST | MCQ | 1 | A |
| 20 | ST | MCQ | 1 | A |
| 21 | ST | MCQ | 1 | A |
| 22 | ST | MCQ | 1 | A |
| 23 | ST | MCQ | 1 | A |
| 24 | ST | MCQ | 1 | A |
| 25 | ST | MCQ | 1 | A |
| 26 | ST | MCQ | 1 | C |
| 27 | ST | MCQ | 1 | C |
| 28 | ST | MCQ | 1 | C |
| 29 | ST | NAT | 1 | 0.32 to 0.38 |
| 30 | ST | NAT | 1 | 6.1 to 6.4 |
| 31 | ST | NAT | 1 | 0.28 to 0.32 |
| 32 | ST | NAT | 1 | 0 |
| 33 | ST | NAT | 1 | 6 |
| 34 | ST | NAT | 1 | 0.36 to 0.39 |
| 35 | ST | NAT | 1 | 0.35 to 0.4 |
| 36 | ST | MCQ | 2 | C |
| 37 | ST | MCQ | 2 | A |
| 38 | ST | MCQ | 2 | C |
| 39 | ST | MCQ | 2 | A |
| 40 | ST | MCQ | 2 | A |
| 41 | ST | MCQ | 2 | A |
| 42 | ST | MCQ | 2 | A |
| 43 | ST | MCQ | 2 | C |
| 44 | ST | MCQ | 2 | A |
| 45 | ST | MCQ | 2 | C |
| 46 | ST | MCQ | 2 | B |
| 47 | ST | MCQ | 2 | C |
| 48 | ST | MCQ | 2 | D |
| 49 | ST | MSQ | 2 | A, C, D |
| 50 | ST | MSQ | 2 | A, B, C |
| 51 | ST | MSQ | 2 | B, D |
| 52 | ST | MSQ | 2 | B, D |
| 53 | ST | MSQ | 2 | C, D |
| 54 | ST | MSQ | 2 | B, D |
| 55 | ST | MSQ | 2 | A, C |
| 56 | ST | MSQ | 2 | A, B, D |
| 57 | ST | MSQ | 2 | A, B, C |
| 58 | ST | MSQ | 2 | A, B |
| 59 | ST | NAT | 2 | 14 |
| 60 | ST | NAT | 2 | 0.49 to 0.51 |
| 61 | ST | NAT | 2 | 0.12 to 0.16 |
| 62 | ST | NAT | 2 | 2.7 to 2.9 |
| 63 | ST | NAT | 2 | 2.6 to 2.9 |
| 64 | ST | NAT | 2 | 1.2 to 1.3 |
| 65 | ST | NAT | 2 | 1.35 to 1.4 |
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