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Degree of a graph with 12 vertices is _______

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Degree of a graph with 12 vertices is _______

(a) 25

(b) 56

(c) 24

(d) 212

This question was addressed to me during an online exam.

Question is taken from Graphs in portion Graphs of Discrete Mathematics

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Right option is (c) 24

To explain: Number of edges incident on a graph is known as degree of a vertex. Sum of degrees of each vertex is called total degree of the graph. Total degree = 2 * number of vertices. So, if there are 24 vertices then total degree is 24.

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