The GATE Grind

GATE Engineering Mathematics: Probability and Statistics: Probability, conditional probability, descriptive statistics – Previous Year Questions

3 GATE previous year questions on Probability and Statistics: Probability, conditional probability, descriptive statistics (Engineering Mathematics, Chemical Engineering) with answers and explanations, from every paper.

  1. GATE 2023 CH Q36 (2 marks, Multiple choice) – An exhibition was held in a hall on 15 August 2022 between 3 PM and 4 PM during which any person was allowed to enter only once. Visitors who entered…
  2. GATE 2025 CH Q14 (1 mark, Multiple choice) – A box contains 3 identical green balls and 7 identical blue balls. Two balls are randomly drawn without replacement from the box. The probability of…
  3. GATE 2026 CH Q34 (1 mark, Numerical answer) – An experiment is performed by rolling an unbiased die once. Events A and B are defined as follows: Event A: The outcome of the rolled die is a prime…