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      Question

      Which traversal method for a binary tree processes the

      root node *after* visiting both its left and right subtrees?
      A In-order traversal Correct Answer Incorrect Answer
      B Pre-order traversal Correct Answer Incorrect Answer
      C Post-order traversal Correct Answer Incorrect Answer
      D Level-order traversal Correct Answer Incorrect Answer
      E Depth-first traversal Correct Answer Incorrect Answer

      Solution

      In post-order traversal, the left subtree is visited, then the right subtree, and finally the root node.

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