Question

An undirected graph has 8 vertices
labelled 1, 2, ..., 8 and 31 edges. Vertices 1,
3,5,7 have degree 8 and vertices 2, 4, 6,
8 have degree 7. What is the degree of
vertex 8?
O a) 15
O b) 8
O c) 5
O d) 23​

Answer 1

Answer:

23

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