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 edge has a direction, i.e. it has a start vertex and an end vertex.
2
All edges are bidirectional.
3
Every vertex has an outgoing edge.
4
All vertices are connected
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 * E)
2
O(V + E)
3
O(E)
4
O(V)
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
Floyd-Warshall Algorithm
3
Kruskal’s Algorithm
4
Bellman-Ford Algorithm
Question 4
Which of the following is true about a complete graph?
1
All edges are directed.
2
There is no direct edge between any pair of vertices.
3
Every pair of vertices is connected by exactly one edge.
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)
2
O(V + E)
3
O(V * E)
4
O(E)
Question 6
Which of the following algorithms is used for finding the Minimum Spanning Tree (MST) of a graph?
1
Bellman-Ford Algorithm
2
Floyd-Warshall Algorithm
3
Prim’s Algorithm
4
Dijkstra’s 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 a stack to store nodes
3
Use recursion to explore all paths
4
Use a priority queue to store nodes