Multiple choices 48/50
(Choose 1 answer)
A simple graph is called regular if every vertex of this graph has the same degree. A regular graph is called n-regular if every vertex in this graph has a degree of n. How many vertices does a regular graph of degree four with 10 edges have?
Next
A. 5
B. 6
C. 7
D. 8
E. None of the other choices is correct.
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