Q. 62 An ordered n-tuple (d1, d2, … , dn) with d1 >= d2 >= ⋯ >= dn is called graphic if there exists a simple undirected graph with n vertices having degrees d1, d2, … , dn respectively. Which of the following 6-tuples is NOT graphic?
(A) (1, 1, 1, 1, 1, 1)
(B) (2, 2, 2, 2, 2, 2)
(C) (3, 3, 3, 1, 0, 0)
(D) (3, 2, 1, 1, 1, 0)
Answer: (C)
Explanation:
