Computer Science · Graph Theory
Arrange the following graphs in increasing order of their chromatic numbers: I. Bipartite graph (with at least one edge) II. Singleton graph III. K5 complete graph IV. 2-regular graph of 4 vertices
- 1II, IV, I, III
- 2II, I, IV, III✓
- 3I, II, III, IV
- 4III, II, I, IV
Correct answer
II, I, IV, III
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