0 votes 0 votes Akash Mittal asked Dec 25, 2017 Akash Mittal 314 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply joshi_nitish commented Dec 25, 2017 reply Follow Share chromatic no. $\chi \leq \Delta +1$ , where$\Delta$ is max degree of any vertex. 0 votes 0 votes Akash Mittal commented Dec 26, 2017 reply Follow Share thats what i think..but given answer is B 0 votes 0 votes Please log in or register to add a comment.