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

Function Basics MCQs: 12 Solved Questions on Domain, Range and Function Counting
Solve 12 function basics MCQs step by step, from identifying domains and ranges to counting total and partial functions and testing image identities.

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.