Discrete Mathematics MCQs
Solved Discrete Mathematics MCQs from the KnowledgeGate question bank: propositional and predicate logic, graph theory.
48 articles in this topic

Bijective Function MCQs: 10 Solved Questions on Definition, Counting and Properties
Solve 10 bijective-function MCQs with collision checks, range analysis, composition logic and permutation counting, each followed by a worked explanation.

Conditional Probability Questions with Solutions: 12-Question Practice Set
Practise 12 conditional probability questions on independence, restricted samples, Bayes' rule, draws and complements, with checked calculations.

Order of Elements in Groups MCQs: 10 Solved Objective Questions
Build a reliable method for finding element orders, then apply it to 10 bank questions, including NAT, MSQ and two composition-table problems.

Partial Order Relation MCQs: 12 Solved Poset and Total Order Questions
Solve 12 published partial order questions with fresh explanations covering posets, total orders, lattices, recursive comparisons, linear extensions and counterexamples.

Set Operations MCQs: 11 Solved Questions with Step-by-Step Explanations
Solve 11 set operations MCQs, then compare your decisive step with a fresh explanation covering counts, identities, complements and constructions.

Graph Traversal MCQs: 12 Solved Questions on Walks, Paths, Trails, Circuits and Connectivity
Attempt 12 graph traversal and connectivity questions, then check each answer through definitions, reachability, degree conditions and edge-count arguments.

Planar Graphs MCQs: 12 Solved Questions on Kuratowski’s Theorem, Homeomorphism and Edge Bounds
Solve 12 planar graph questions, then check each answer through a forbidden-subdivision argument, a crossing-free redraw, or a short calculation.

Power Set and Cardinality MCQs: 12 Solved Questions with Explanations
Solve 12 power set questions, from direct enumeration and nested sets to inclusion chains, ordered pairs and recurrence-based counting.

Null Set, Universal Set, Subset and Proper Subset MCQs: 12 Solved Questions
Practise 12 MCQs on null sets, universal sets, subsets, proper subsets, complements and nested inclusion, with clear reasoning for every answer.

First-Order Predicate Logic MCQs: 10 Solved Questions with Explanations
Solve ten first-order logic questions, then check each answer through finite models, precise translations, countermodels, and valid inference rules.

Graph Isomorphism MCQs and NATs: 12 Solved Questions on Detection and Counting
Solve seven MCQs and five numerical-answer questions on graph isomorphism. Each answer shows the invariant, mapping or counting argument behind the result.

Euler and Hamiltonian Graph MCQs: 12 Solved Questions with Explanations
Solve 12 Euler and Hamiltonian graph MCQs with concise explanations of parity tests, spanning cycles, complete graphs, route checks, and sufficient conditions.