Discrete Mathematics MCQs

Solved Discrete Mathematics MCQs from the KnowledgeGate question bank: propositional and predicate logic, graph theory.

47 articles in this topic

Types of Graphs MCQs: 12 Solved Questions on Finite, Infinite, Null, Trivial and Complete Graphs

Solve 12 published questions that turn basic graph definitions into edge counts, spanning-tree results, clique checks and cycle-counting problems.

30 Aug 20268 min readDiscrete Mathematics MCQs

Tree Graph MCQs: 12 Solved Questions on Properties, Diameter, Radius and Center

Practise 12 tree graph questions by invariant: transform distances, use degree sums, test unique paths, and locate the center. Each answer includes a compact explanation and the exact trap to avoid.

Updated 29 Aug 20267 min readDiscrete Mathematics MCQs

Subgroup MCQs: 12 Solved Questions on Definitions, Examples, and Tests

Attempt these 12 published subgroup questions, then use the fresh explanations to check each definition, counterexample, and order calculation.

Updated 27 Aug 20267 min readDiscrete Mathematics MCQs

Number of Graphs MCQs: 10 Solved Questions on Simple, Undirected, Labeled and Unlabeled Graphs

Practise ten published graph-counting questions with fresh solutions. Learn when to count edge slots, labeled graph subsets, unlabeled shapes, cycles, grid edges and paths.

Updated 25 Aug 20267 min readDiscrete Mathematics MCQs

Logical Operators MCQs: 12 Solved Questions on Negation, Conjunction and Disjunction

Solve 12 logical-operator questions covering symbols, negation, De Morgan's laws, custom truth tables, CNF and exactly-two proposition logic.

24 Aug 20267 min readDiscrete Mathematics MCQs

Inverse Property and Group MCQs: 11 Solved Questions with Explanations

Solve 11 inverse property and group MCQs covering symmetric difference, group axioms, matrices, subfields, element order and reversed products. Each answer includes the decisive check.

22 Aug 20267 min readDiscrete Mathematics MCQs

Commutative Property and Abelian Groups MCQs: 12 Solved Questions

Test whether groups and custom operations commute, then learn from concise solutions covering counterexamples, generators, inverses, and Abelian identities.

20 Aug 20267 min readDiscrete Mathematics MCQs

Closure, Associativity, Semigroup and Monoid MCQs: 12 Solved Questions

Test each unfamiliar operation in the right order. These 12 MCQs explain closure, associativity, identity, semigroups, monoids and stronger classifications step by step.

18 Aug 20267 min readDiscrete Mathematics MCQs

Minimum and Maximum Degree MCQs: 11 Solved Degree Constraints and Havel-Hakimi Questions

Solve 11 degree-constraint questions with parity checks, edge bounds, constructions and complete Havel-Hakimi certificates. Each explanation shows the shortest reliable route.

Updated 16 Aug 20267 min readDiscrete Mathematics MCQs

Graph Coloring MCQs: 10 Solved Questions on Vertex Coloring, Edge Coloring and Chromatic Number

Attempt 10 solved GATE questions on graph colouring, from bipartite tests to edge colouring. Each solution proves a lower bound, constructs a colouring or traces the relevant algorithm.

Updated 14 Aug 20268 min readDiscrete Mathematics MCQs

Euler Formula for Planar Graphs MCQs: 12 Solved Applications and Derived Relations

Solve 12 Euler Formula MCQs step by step, from direct substitution and bounded faces to degree sums, components and careful planarity screening.

Updated 12 Aug 20268 min readDiscrete Mathematics MCQs

Set Operations & Cartesian Product MCQs: 12 Solved Questions with Explanations

Solve 12 carefully explained MCQs on union, intersection, set difference, identities, counting, Cartesian products, and ordered set pairs.

Updated 10 Aug 20268 min read69 viewsDiscrete Mathematics MCQs