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Binary Trees and Traversals - Typical Problems - Numerical Applications

Download Q&A
Q. In a binary tree, if a node has two children, how many nodes are there in the subtree rooted at that node?
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. What is the level order traversal of the binary tree with root node value 1, left child 2, and right child 3?
  • A. [1, 2, 3]
  • B. [2, 1, 3]
  • C. [1, 3, 2]
  • D. [3, 2, 1]
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