Q. 13 The minimum number of colours that is sufficient to vertex-colour any planar graph is _______________
[This Question was originally a Fill-in-the-blanks Question]
(A) 1
(B) 2
(C) 3
(D) 4
Answer: (D)
Explanation:
Q. 13 The minimum number of colours that is sufficient to vertex-colour any planar graph is _______________
[This Question was originally a Fill-in-the-blanks Question]
(A) 1
(B) 2
(C) 3
(D) 4
Answer: (D)
Explanation: