Multiple choice

Which of the following graph is isomorphic to

  1.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The graph in option (1) has a 3 length cycle whereas the original graph does not have a 3 length cycle. The graph in option (3) has a vertex with degree 4 whereas the original graph does not have a vertex with degree 4. The graph in option (4) has a 4 length cycle whereas the original graph does not have a 4 length cycle.

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