Multiple choice The problems 3-SAT and 2-SAT are both in P both NP-complete NP-complete and in P respectively undecidable and NP-complete respectively Reveal answer Fill a bubble to check yourself C Correct answer Explanation 3 SAT problem is both NP & NP hard so it is NP complete, but 2 SAT problem is solvable in Polynomial time so it is in class P.