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MCQ

A binary tree in which every non-leaf node has non-empty left and right subtrees is called a strictly binary tree. Such a tree with 10 leaves

Has exactly 17 nodes

Has exactly 19 nodes

Cannot have more than 19 nodes

None of these

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MCQ

A binary tree whose every node has either zero or two children is called

Complete binary tree

Binary search tree

Extended binary tree

None of above

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MCQ

The in-order traversal of a binary tree is HFIEJGZ, and the post-order traversal of the same tree is HIFJZGE. What will be the total number of nodes in the left sub tree of the given tree? (It is NOT a search tree)

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MCQ

What are the conditions for an optimal binary search tree and what is its advantage?

The tree should not be modified and you should know how often the keys are accessed, it improves the lookup cost

You should know the frequency of access of the keys, improves the lookup time

The tree can be modified and you should know the number of elements in the tree before hand, it improves the deletion time

None of the mentioned

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MCQ

Huffman codes are the applications of _________ with minimal weighted external path length obtained by an optimal set.

BST

MST

Binary tree

Weighted Graph

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MCQ

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

ABFCDE

ADBFEC

ABFEDC

ACBEFD

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Arrays

Lists

Stacks

Queues

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B Trees

Heaps

Hash based structures

Graphs

Mixed

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