Practice graph Quizzes
Prepare for technical interviews with high-quality graph quizzes that mirror real industry questions. Each quiz helps you master concepts, improve problem-solving speed and gain the confidence needed for coding tests. Whether revising basics or tackling advanced scenarios, these quizzes ensure structured, effective preparation.
Explore All graph Quizzes
Learn graph step by step with interactive quizzes designed for beginners and learners revising key concepts. Build a strong foundation with clear, structured practice in graph.
Question 1
Which of the following is true about a directed graph?
1
Every vertex has an outgoing edge.
2
Every edge has a direction, i.e. it has a start vertex and an end vertex.
3
All vertices are connected
4
All edges are bidirectional.
Question 2
Which of the following is the correct time complexity for Depth-First Search (DFS) and Breadth-First Search (BFS) for a graph with 'V' vertices and 'E' edges?
1
O(V)
2
O(V * E)
3
O(V + E)
4
O(E)
Question 3
Which of the following algorithms is used for finding the shortest path in a graph with non-negative weights?
1
Dijkstra’s Algorithm
2
Bellman-Ford Algorithm
3
Floyd-Warshall Algorithm
4
Kruskal’s Algorithm
Question 4
Which of the following is true about a complete graph?
1
There is no direct edge between any pair of vertices.
2
Every pair of vertices is connected by exactly one edge.
3
All edges are directed.
4
Every vertex has exactly one edge.
Question 5
What is the time complexity of finding the connected components of an undirected graph using Depth-First Search (DFS)?
1
O(V * E)
2
O(V + E)
3
O(V)
4
O(E)
Question 6
Which of the following algorithms is used for finding the Minimum Spanning Tree (MST) of a graph?
1
Prim’s Algorithm
2
Floyd-Warshall Algorithm
3
Dijkstra’s Algorithm
4
Bellman-Ford Algorithm
Question 7
How would you implement the A* search algorithm for pathfinding in a graph?
1
Use a simple list to store nodes
2
Use recursion to explore all paths
3
Use a stack to store nodes
4
Use a priority queue to store nodes