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      Question

      Which of the following is true about

      MergeSort?
      A It is an in-place sort Correct Answer Incorrect Answer
      B It uses divide-and-conquer Correct Answer Incorrect Answer
      C It has O(n²) time complexity Correct Answer Incorrect Answer
      D It cannot be used for linked lists Correct Answer Incorrect Answer
      E It is unstable Correct Answer Incorrect Answer

      Solution

      MergeSort splits the array recursively and merges sorted subarrays; it is stable and not in-place.

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