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    Question

    What is the definition of an NP-hard

    problem?
    A A problem that can be solved in polynomial time on non-deterministic Turing machines. Correct Answer Incorrect Answer
    B A problem that is solvable in polynomial time on deterministic Turing machines. Correct Answer Incorrect Answer
    C A problem that is at least as hard as the hardest problems in NP. Correct Answer Incorrect Answer
    D A problem that is solvable using dynamic programming techniques. Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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