Q. Which of the following is not a property of perfect graph?
✅ Correct Answer: (D)
line graph
Explanation: tthe compliment of line graph of bipartite graph, compliment of bipartite graph, line graph of bipartite graph and every bipartite graph is known as a perfect graph in graph theory. normal line graph is not a perfect graph whereas line perfect graph is a graph whose line graph is a perfect graph.