ISRO | ISRO CS 2017 – May | Question 10

The problems 3-SAT and 2-SAT are
(A) Both NP-complete
(B) Both in P
(C) NP-complete and in P, respectively
(D) Undecidable and NP-complete, respectively

Answer: (C)
Explanation: 3-SAT problem is NP- complete problem whereas 2- SAT problem is P- class problem.
Refer: 2-Satisfiability (2-SAT) Problem
Option (C) is correct.
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