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GATE ST: Probability previous year questions

78 real GATE ST questions on Probability from 2022–2026, with the official answer to each. Try them here, or practise this topic free on Student AI Hub with instant checking and your score.

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Probability in GATE at a glance

Questions
78
1-mark / 2-mark
40 / 38
Numerical (NAT)
27
Multiple select (MSQ)
12

Questions per year: 2026: 17 · 2025: 15 · 2024: 15 · 2023: 19 · 2022: 12.

Probability questions

Each question is shown exactly as in the official paper. Tap “Show answer” to check yourself.

GATE 2026 · Q.14 · 1 mark · MCQ

GATE ST Probability question, GATE 2026 Q.14
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Answer: A · see the full paper

GATE 2026 · Q.15 · 1 mark · MCQ

GATE ST Probability question, GATE 2026 Q.15
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Answer: A · see the full paper

GATE 2026 · Q.16 · 1 mark · MCQ

GATE ST Probability question, GATE 2026 Q.16
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Answer: B · see the full paper

GATE 2026 · Q.17 · 1 mark · MCQ

GATE ST Probability question, GATE 2026 Q.17
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Answer: D · see the full paper

GATE 2026 · Q.22 · 1 mark · MCQ

GATE ST Probability question, GATE 2026 Q.22
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Answer: B · see the full paper

GATE 2026 · Q.27 · 1 mark · NAT

GATE ST Probability question, GATE 2026 Q.27
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Answer: 64 · see the full paper

GATE 2026 · Q.28 · 1 mark · NAT

GATE ST Probability question, GATE 2026 Q.28
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Answer: 11 · see the full paper

GATE 2026 · Q.29 · 1 mark · NAT

GATE ST Probability question, GATE 2026 Q.29
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Answer: 0 · see the full paper

GATE 2026 · Q.30 · 1 mark · NAT

GATE ST Probability question, GATE 2026 Q.30
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Answer: 3 · see the full paper

GATE 2026 · Q.40 · 2 marks · MCQ

GATE ST Probability question, GATE 2026 Q.40
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Answer: A · see the full paper

GATE 2026 · Q.41 · 2 marks · MCQ

GATE ST Probability question, GATE 2026 Q.41
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Answer: A · see the full paper

GATE 2026 · Q.42 · 2 marks · MCQ

GATE ST Probability question, GATE 2026 Q.42
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Answer: A · see the full paper

GATE 2026 · Q.52 · 2 marks · MSQ

GATE ST Probability question, GATE 2026 Q.52
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Answer: A, D · see the full paper

GATE 2026 · Q.53 · 2 marks · MSQ

GATE ST Probability question, GATE 2026 Q.53
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Answer: C, D · see the full paper

GATE 2026 · Q.54 · 2 marks · MSQ

GATE ST Probability question, GATE 2026 Q.54
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Answer: B, C · see the full paper

GATE 2026 · Q.62 · 2 marks · NAT

GATE ST Probability question, GATE 2026 Q.62
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Answer: 144 · see the full paper

GATE 2026 · Q.63 · 2 marks · NAT

GATE ST Probability question, GATE 2026 Q.63
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Answer: 0.47 to 0.53 · see the full paper

GATE 2025 · Q.14 · 1 mark · MCQ

GATE ST Probability question, GATE 2025 Q.14
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Answer: D · see the full paper

GATE 2025 · Q.15 · 1 mark · MCQ

GATE ST Probability question, GATE 2025 Q.15
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Answer: B · see the full paper

GATE 2025 · Q.16 · 1 mark · MCQ

GATE ST Probability question, GATE 2025 Q.16
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Answer: A · see the full paper

GATE 2025 · Q.22 · 1 mark · MCQ

GATE ST Probability question, GATE 2025 Q.22
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Answer: C · see the full paper

GATE 2025 · Q.23 · 1 mark · MCQ

GATE ST Probability question, GATE 2025 Q.23
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Answer: A · see the full paper

GATE 2025 · Q.28 · 1 mark · NAT

GATE ST Probability question, GATE 2025 Q.28
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Answer: 8 · see the full paper

GATE 2025 · Q.29 · 1 mark · NAT

GATE ST Probability question, GATE 2025 Q.29
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Answer: 16 · see the full paper

GATE 2025 · Q.39 · 2 marks · MCQ

GATE ST Probability question, GATE 2025 Q.39
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Answer: C · see the full paper

GATE 2025 · Q.40 · 2 marks · MCQ

GATE ST Probability question, GATE 2025 Q.40
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Answer: B · see the full paper

GATE 2025 · Q.41 · 2 marks · MCQ

GATE ST Probability question, GATE 2025 Q.41
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Answer: C · see the full paper

GATE 2025 · Q.44 · 2 marks · MCQ

GATE ST Probability question, GATE 2025 Q.44
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Answer: A · see the full paper

GATE 2025 · Q.49 · 2 marks · MSQ

GATE ST Probability question, GATE 2025 Q.49
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Answer: A, C · see the full paper

GATE 2025 · Q.58 · 2 marks · NAT

GATE ST Probability question, GATE 2025 Q.58
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Answer: 0.42 to 0.46 · see the full paper

GATE 2025 · Q.59 · 2 marks · NAT

GATE ST Probability question, GATE 2025 Q.59
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Answer: 2 · see the full paper

GATE 2025 · Q.60 · 2 marks · NAT

GATE ST Probability question, GATE 2025 Q.60
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Answer: 5 · see the full paper

GATE 2024 · Q.17 · 1 mark · MCQ

GATE ST Probability question, GATE 2024 Q.17
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Answer: A · see the full paper

GATE 2024 · Q.18 · 1 mark · MCQ

GATE ST Probability question, GATE 2024 Q.18
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Answer: B · see the full paper

GATE 2024 · Q.19 · 1 mark · MCQ

GATE ST Probability question, GATE 2024 Q.19
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Answer: A · see the full paper

GATE 2024 · Q.20 · 1 mark · MCQ

GATE ST Probability question, GATE 2024 Q.20
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Answer: D · see the full paper

GATE 2024 · Q.21 · 1 mark · MCQ

GATE ST Probability question, GATE 2024 Q.21
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Answer: B · see the full paper

GATE 2024 · Q.23 · 1 mark · MCQ

GATE ST Probability question, GATE 2024 Q.23
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Answer: C · see the full paper

GATE 2024 · Q.31 · 1 mark · NAT

GATE ST Probability question, GATE 2024 Q.31
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Answer: 2 · see the full paper

GATE 2024 · Q.32 · 1 mark · NAT

GATE ST Probability question, GATE 2024 Q.32
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Answer: 0.15 to 0.19 · see the full paper

GATE 2024 · Q.38 · 2 marks · MCQ

GATE ST Probability question, GATE 2024 Q.38
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Answer: A · see the full paper

GATE 2024 · Q.39 · 2 marks · MCQ

GATE ST Probability question, GATE 2024 Q.39
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Answer: B · see the full paper

GATE 2024 · Q.41 · 2 marks · MCQ

GATE ST Probability question, GATE 2024 Q.41
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Answer: A · see the full paper

GATE 2024 · Q.42 · 2 marks · MCQ

GATE ST Probability question, GATE 2024 Q.42
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Answer: C · see the full paper

GATE 2024 · Q.50 · 2 marks · MSQ

GATE ST Probability question, GATE 2024 Q.50
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Answer: A, B · see the full paper

GATE 2024 · Q.51 · 2 marks · MSQ

GATE ST Probability question, GATE 2024 Q.51
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Answer: A, B, C · see the full paper

GATE 2024 · Q.61 · 2 marks · NAT

GATE ST Probability question, GATE 2024 Q.61
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Answer: 1.45 to 1.55 · see the full paper

GATE 2023 · Q.14 · 1 mark · MCQ

GATE ST Probability question, GATE 2023 Q.14
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Answer: A · see the full paper

GATE 2023 · Q.15 · 1 mark · MCQ

GATE ST Probability question, GATE 2023 Q.15
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Answer: A · see the full paper

GATE 2023 · Q.16 · 1 mark · MCQ

GATE ST Probability question, GATE 2023 Q.16
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Answer: A · see the full paper

GATE 2023 · Q.17 · 1 mark · MCQ

GATE ST Probability question, GATE 2023 Q.17
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Answer: A · see the full paper

GATE 2023 · Q.18 · 1 mark · MCQ

GATE ST Probability question, GATE 2023 Q.18
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Answer: C · see the full paper

GATE 2023 · Q.19 · 1 mark · MCQ

GATE ST Probability question, GATE 2023 Q.19
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Answer: A · see the full paper

GATE 2023 · Q.20 · 1 mark · MCQ

GATE ST Probability question, GATE 2023 Q.20
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Answer: A · see the full paper

GATE 2023 · Q.31 · 1 mark · NAT

GATE ST Probability question, GATE 2023 Q.31
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Answer: 0.28 to 0.32 · see the full paper

GATE 2023 · Q.32 · 1 mark · NAT

GATE ST Probability question, GATE 2023 Q.32
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Answer: 0 · see the full paper

GATE 2023 · Q.37 · 2 marks · MCQ

GATE ST Probability question, GATE 2023 Q.37
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Answer: A · see the full paper

GATE 2023 · Q.46 · 2 marks · MCQ

GATE ST Probability question, GATE 2023 Q.46
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Answer: B · see the full paper

GATE 2023 · Q.47 · 2 marks · MCQ

GATE ST Probability question, GATE 2023 Q.47
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Answer: C · see the full paper

GATE 2023 · Q.52 · 2 marks · MSQ

GATE ST Probability question, GATE 2023 Q.52
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Answer: B, D · see the full paper

GATE 2023 · Q.53 · 2 marks · MSQ

GATE ST Probability question, GATE 2023 Q.53
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Answer: C, D · see the full paper

GATE 2023 · Q.54 · 2 marks · MSQ

GATE ST Probability question, GATE 2023 Q.54
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Answer: B, D · see the full paper

GATE 2023 · Q.55 · 2 marks · MSQ

GATE ST Probability question, GATE 2023 Q.55
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Answer: A, C · see the full paper

GATE 2023 · Q.56 · 2 marks · MSQ

GATE ST Probability question, GATE 2023 Q.56
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Answer: A, B, D · see the full paper

GATE 2023 · Q.60 · 2 marks · NAT

GATE ST Probability question, GATE 2023 Q.60
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Answer: 0.49 to 0.51 · see the full paper

GATE 2023 · Q.61 · 2 marks · NAT

GATE ST Probability question, GATE 2023 Q.61
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Answer: 0.12 to 0.16 · see the full paper

GATE 2022 · Q.25 · 1 mark · NAT

GATE ST Probability question, GATE 2022 Q.25
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Answer: 0.55 to 0.59 · see the full paper

GATE 2022 · Q.26 · 1 mark · NAT

GATE ST Probability question, GATE 2022 Q.26
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Answer: 2.3 to 2.32 · see the full paper

GATE 2022 · Q.27 · 1 mark · NAT

GATE ST Probability question, GATE 2022 Q.27
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Answer: 23 · see the full paper

GATE 2022 · Q.28 · 1 mark · NAT

GATE ST Probability question, GATE 2022 Q.28
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Answer: 243 · see the full paper

GATE 2022 · Q.29 · 1 mark · NAT

GATE ST Probability question, GATE 2022 Q.29
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Answer: 0.57 to 0.59 · see the full paper

GATE 2022 · Q.30 · 1 mark · NAT

GATE ST Probability question, GATE 2022 Q.30
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Answer: 1 · see the full paper

GATE 2022 · Q.31 · 1 mark · NAT

GATE ST Probability question, GATE 2022 Q.31
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Answer: 1.18 to 1.19 · see the full paper

GATE 2022 · Q.43 · 2 marks · MCQ

GATE ST Probability question, GATE 2022 Q.43
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Answer: B · see the full paper

GATE 2022 · Q.44 · 2 marks · MCQ

GATE ST Probability question, GATE 2022 Q.44
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Answer: A · see the full paper

GATE 2022 · Q.49 · 2 marks · MSQ

GATE ST Probability question, GATE 2022 Q.49
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Answer: A, B · see the full paper

GATE 2022 · Q.53 · 2 marks · NAT

GATE ST Probability question, GATE 2022 Q.53
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Answer: 0.436 to 0.439 · see the full paper

GATE 2022 · Q.64 · 2 marks · NAT

GATE ST Probability question, GATE 2022 Q.64
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Answer: 1.065 to 1.069 · see the full paper

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