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The number of elements in the adjacency matrix of a graph having 7 vertices is __________

(a) 7

(b) 14

(c) 36

(d) 49

Origin of the question is Adjacency Matrix in portion Graph of Data Structures & Algorithms I

I have been asked this question during a job interview.

1 Answer

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Best answer
Correct option is (d) 49

To explain: There are n*n elements in the adjacency matrix of a graph with n vertices.

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