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In a binary tree, what is the in-order traversal of the tree with nodes A, B, C?

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Question: In a binary tree, what is the in-order traversal of the tree with nodes A, B, C?

Options:

  1. A, B, C
  2. B, A, C
  3. B, C, A
  4. C, B, A

Correct Answer: B, A, C

Solution: 

In in-order traversal, the left subtree is visited first, then the root, and finally the right subtree. For a tree with nodes A (root), B (left), and C (right), the traversal is B, A, C.

In a binary tree, what is the in-order traversal of the tree with nodes A, B, C?

Practice Questions

Q1
In a binary tree, what is the in-order traversal of the tree with nodes A, B, C?
  1. A, B, C
  2. B, A, C
  3. B, C, A
  4. C, B, A

Questions & Step-by-Step Solutions

In a binary tree, what is the in-order traversal of the tree with nodes A, B, C?
  • Step 1: Identify the structure of the binary tree. In this case, A is the root node, B is the left child, and C is the right child.
  • Step 2: Understand the in-order traversal rule: Visit the left subtree first, then the root node, and finally the right subtree.
  • Step 3: Start with the left child of the root (A). The left child is B, so we visit B first.
  • Step 4: After visiting B, we go back to the root node A and visit it next.
  • Step 5: Finally, we visit the right child of the root (A), which is C.
  • In-Order Traversal – In a binary tree, in-order traversal visits the left subtree, then the root node, and finally the right subtree.
  • Binary Tree Structure – Understanding the arrangement of nodes in a binary tree is crucial for determining the order of traversal.
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