A directed complete graph of n vertices contains __________.

Related MCQs

• What is the number of vertices in an undirected connected graph with 39 edges, 7 vertices of degree 2, 2 vertices of degree 5 and remaining of degree 6?
• The 2n vertices of a graph G corresponds to all subsets of a set of size n, for n>=4. Two vertices of G are adjacent if and only if the corresponding sets intersect in exactly two elements. The number of connected components in G can be                        
• G is a simple undirected graph and some vertices of G are of odd degree. Add a node n to G and make it adjacent to each odd degree vertex of G. The resultant graph is              
• The total number of edges in a complete graph of n vertices is _________.
• The number of pendant vertices in a full binary tree with n vertices is ________.
• A binary tree with 2k vertices of level k has at least _______ vertices.
• If an edge e is said to join the vertices u and v then the vertices u and v are called __.
• If two edges have same vertices as its terminal vertices those edges are called ____.
• A path of a graph is said to be ______ if it contains all the edges of the graph.
• A              is a graph which has the same number of edges as its complement must have number of vertices congruent to 4m or 4m modulo 4(for integral values of number of edges).