Discrete Mathematics MCQs

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

16 articles in this topic

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 readDiscrete Mathematics MCQs

Function MCQs: 11 Solved Questions on Domain, Range and Counting

Attempt 11 past-paper function MCQs, then check concise solutions covering finite mappings, ranges, subset images, countability and equivalence relations.

Updated 8 Aug 20267 min readDiscrete Mathematics MCQs

Cut Set and Connectivity MCQs: 12 Solved Questions on Edge and Vertex Connectivity

Solve 12 graph connectivity MCQs, seven of them previous-year, then check each answer against an explanation of cut sets, articulation points and bridges.

Updated 5 Aug 20268 min readDiscrete Mathematics MCQs

Composition of Functions MCQs: 10 Solved Questions with Explanations

Solve 10 composition of functions MCQs step by step. Learn the right-to-left order, domain checks, associativity, and injective and onto implications.

Updated 3 Aug 20267 min readDiscrete Mathematics MCQs

Bipartite, Cycle, Regular and Complement Graph MCQs: 12 Solved Questions

Solve 12 graph-theory MCQs using two-colouring, balanced bipartitions, the degree sum and the total number of vertex pairs, with every answer worked out.

Updated 31 Jul 20268 min readDiscrete Mathematics MCQs

Lattice and Boolean Algebra MCQs: 10 Solved Questions on Bounded, Distributive and Complemented Lattices

Work through ten solved lattice problems in MCQ, MSQ, NAT and fill-blank form, with a four-test method for deciding whether a poset is a lattice or a Boolean algebra.

Updated 29 Jul 20268 min readDiscrete Mathematics MCQs

Symmetric, Antisymmetric and Asymmetric Relation MCQs: 11 Solved Questions

Solve 11 relation MCQs with clear tests for symmetry, antisymmetry and asymmetry. Each answer identifies the exact pair, loop or implication that decides it.

26 Jul 20268 min readDiscrete Mathematics MCQs

Reflexive and Irreflexive Relation MCQs: 10 Solved Questions on Counts and Properties

Solve 10 practice questions on reflexive and irreflexive relations. Learn diagonal tests, counting, probability, closure, and property proofs.

Updated 26 Jul 20268 min readDiscrete Mathematics MCQs