Discrete Mathematics MCQs
Solved Discrete Mathematics MCQs from the KnowledgeGate question bank: propositional and predicate logic, graph theory.
26 articles in this topic
Onto (Surjective) Function MCQs: 11 Solved Questions on Definition, Count and Properties
Solve six MCQs, one MSQ and four NAT questions on onto functions. Each answer explains the exact definition, proof or counting step you need.
Graph Covering MCQs: 11 Solved Vertex Cover and Independent Set Questions
Solve 11 graph-covering questions and learn the reusable moves behind vertex covers, independent sets, edge covers, spanning trees, and minimal versus minimum sets.
Degree of Vertex MCQs: 12 Solved Questions on Isolated and Pendant Vertices, Handshaking Lemma, and Degree Sequences
Solve 12 vertex-degree MCQs with fresh explanations covering maximum degree, isolated and pendant vertices, regular graphs, parity, and graphical sequences.
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.
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.
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.
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.
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.
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.
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.
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.
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.