Discrete Mathematics - GATE CSE Previous Year Questions

Last Updated : 23 Feb, 2026

Discrete Mathematics (DM) is one of the most important subjects in the GATE CSE exam because:

  • It contributes approximately 7–9% of the total 100-mark paper.
  • It consistently carries 7–9 marks across multiple years.
  • Questions are generally concept-based and well-defined, making it a high-scoring section with proper practice.

The table below shows marks distribution and number of questions of Discrete Mathematics for the past five years:

YearApprox. MarksNumber of QuestionsDifficulty Level
GATE 20256–8 marks3–4Moderate–Hard
GATE 20248 marks3–4Moderate
GATE 20237–8 marks3–4Moderate–Hard
GATE 20228 marks3–4Moderate
GATE 20217–8 marks3–4Moderate

For Discrete Mathematics detailed notes, you can also refer to the given link:

Discrete Mathematics for GATE CSE Exam

Topic-wise Questions From Previous Year GATE Exams

Questions from this section are usually well-defined and concept-based. It is easier to score full marks by practicing questions from PYQs and from important high-weightage topics such as Propositional and First-Order Logic, Set Theory & Algebra, Combinatorics etc. The links to quiz of these topics are given below:

GATE CSE Previous Year Question Papers

These previous year’s questions help you understand the question patterns followed by GATE that directly help a candidate in scoring good marks in GATE. Given below is the link to year-wise GATE Previous Question Papers:

GATE CSE Previous Year Question Papers

These GATE CSE question papers span over 25+ years, along with their official answer keys. We’ve also provided Quiz tests to help you practice key topics, improve speed, track your progress, and build confidence for the GATE exam 2027.

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