Q. The pre-order traversal of a binary-search tree is DBACFE. What is the post-order traversal?

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Q. What could be the worst case height of an AVL tree?

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Q. Which amongst the following cannot be a balance factor of any node of an AVL tree?

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Q. How many distinct binary search trees can be formed which contains the integers 1, 2, 3?

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Q. Level of any node of a tree is

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Q. In .............., it is possible to traverse a tree without using stacks either implicitly or explicitly.

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Q. The order of a B-Tree with 2, 3, 4 or 5 children in every internal node is

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Q. The number of nodes that have no successors in a complete binary tree of depth 4 is

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Q. One can make an exact replica of a Binary Search Tree by traversing it in ...............

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Q. A complete Binary Tree with 15 nodes contains ................. edges.

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Q. Visiting root node after visiting left and right sub-trees is called .............

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Q. A complete binary tree with the property that the value of each node is at least as large as the values of its children is known as ..............

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Q. A tree in which, for every node, the difference between the height of its left subtree and right subtree is not more than one is

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Q. A binary tree stored using linked representation can be converted to its mirror image by traversing it in ...............

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Q. The balance factor for an AVL tree is either

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Q. AVL trees have LL, LR, RR, RL rotations to balance the tree to maintain the balance factor (LR : Insert node in Right sub tree of Left sub tree of node A, etc). Among rotations the following are single and double rotations

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Q. Heap is an example of ................

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Q. The number of unused pointers in a complete binary tree of depth 5 is:

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Q. The running time for creating a heap of size n is .............

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Q. One can determine whether a Binary tree is a Binary Search Tree by traversing it in ................

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