Algorithms | NP Complete | Question 6

Which of the following is true about NP-Complete and NP-Hard problems.
(A) If we want to prove that a problem X is NP-Hard, we take a known NP-Hard problem Y and reduce Y to X
(B) The first problem that was proved as NP-complete was the circuit satisfiability problem.
(C) NP-complete is a subset of NP Hard
(D) All of the above
(E) None of the above

Answer: (D)

Explanation: See NP-Completeness

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