Discrete Mathematics MCQs (Part-13)

What does set theory deal with?

A Collections of objects
B Numbers
C Groups
D Logical operations

What is a logical proposition?

A A number
B A statement that is either true or false
C A mathematical equation
D A decision rule

What does the logical AND operator represent in Boolean logic?

A Either input is true
B Only one input is true
C Both inputs are true
D None of the inputs are true

What is a relation in mathematics?

A A set of ordered pairs
B A set of numbers
C A logical operation
D A mathematical function

In graph theory, what is a vertex?

A A point where edges meet
B A point where edges meet
C A line
D A loop

What is a function in mathematics?

A A set of rules
B A set of ordered pairs
C A mapping from one set to another
D A sum of numbers

What does the distributive property in Boolean algebra state?

A AND distributes over OR
B OR distributes over AND
C OR distributes over NOT
D NOT distributes over AND

What is a recurrence relation?

A A function of multiple variables
B A relation between elements of a sequence
C A rule for defining probabilities
D A graph of points

What is the purpose of a truth table?

A To solve equations
B To represent logical operations
C To create functions
D To perform set operations

In network flows, what does the capacity of an edge represent?

A The maximum possible flow through the edge
B The weight of the edge
C The number of vertices connected
D The direction of flow

What is a randomized algorithm?

A An algorithm with fixed outcomes
B An algorithm using random decisions for solving problems
C An algorithm that always produces the same result
D An algorithm based on recursion

What is the key property of a planar graph?

A It has no vertices
B It can be drawn on a plane without edge crossings
C It contains cycles
D It contains only directed edges

What does the minimum cut in a flow network represent?

A The total flow capacity
B The smallest set of edges separating the source and sink
C The maximum flow from source to sink
D The largest flow path

What is the purpose of a minimum spanning tree in graph theory?

A To connect all vertices with the least total edge weight
B To find cycles in a graph
C To find the maximum flow
D To reduce graph complexity

What does a Hamiltonian cycle do in a graph?

A Visits every edge
B Visits each vertex once and returns to the starting point
C Finds the shortest path
D Makes a path of maximum length