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MCQ

A binary tree is generated by inserting in order the following integers: 50, 15, 62, 5, 20,58, 91, 3,8,37, 60, 24 The number of nodes in the leftof the root respectively is

(3,6)

(4,7)

(6,3)

(7,4)

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MCQ

A binary tree is said to be a complete binary tree if all the leaf nodes of the tree are at ________.

Same level

Opposite level

Different level

Adjacent level

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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

Average case time complexity of binary search is ______________

O(n)

?(nlogn)

O(logn)

?(logn)

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MCQ

A binary search tree whose left subtree and right subtree differ in height by at most 1 unit is called

AVL tree

Red-black tree

Lemma tree

None of the 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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Heaps

Hash based structures

Graphs

Mixed

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