If each and every vertex in G has degree at most 23 then G can have a vertex colouring of __________

If each and every vertex in G has degree at most 23 then G can have a

1.	If each and every vertex in G has degree at most 23 then G can have a vertex colouring of __________
A.	24
B.	23
C.	176
D.	54
Answer» B. 23