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Welcome to the Trees MCQs Page

Dive deep into the fascinating world of Trees with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Trees, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Trees, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Structures and Algorithms.

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Check out the MCQs below to embark on an enriching journey through Trees. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Structures and Algorithms.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Trees. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Trees MCQs | Page 10 of 32

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Q91.
Which amongst the following cannot be a balance factor of any node of an AVL tree?

a.

1

b.

0

c.

2

d.

-1

Discuss
Answer: (c).2
Q92.
How many distinct binary search trees can be formed which contains the integers 1, 2, 3?

a.

6

b.

5

c.

4

d.

3

Discuss
Answer: (b).5
Q93.
Level of any node of a tree is

a.

Height of its left subtree minus height of its right subtree

b.

Height of its right subtree minus height of its left subtree

c.

Its distance from the root

d.

None of these

Discuss
Answer: (c).Its distance from the root
Q94.
In .............., it is possible to traverse a tree without using stacks either implicitly or explicitly.

a.

Threaded binary trees

b.

AVL Tree

c.

B+ tree

d.

Heap

Discuss
Answer: (c).B+ tree
Q95.
The order of a B-Tree with 2, 3, 4 or 5 children in every internal node is

a.

2

b.

3

c.

4

d.

5

Discuss
Answer: (c).4
Q96.
The number of nodes that have no successors in a complete binary tree of depth 4 is

a.

0

b.

8

c.

16

d.

4

Discuss
Answer: (b).8
Q97.
One can make an exact replica of a Binary Search Tree by traversing it in ...............

a.

In-order

b.

Pre-order

c.

Post-order

d.

Any order

Discuss
Answer: (b).Pre-order
Q98.
A complete Binary Tree with 15 nodes contains ................. edges.

a.

15

b.

30

c.

14

d.

16

Discuss
Answer: (c).14
Q99.
Visiting root node after visiting left and right sub-trees is called .............

a.

In-order Traversal

b.

Pre-order Traversal

c.

Post-order Traversal

d.

None of these

Discuss
Answer: (c).Post-order Traversal
Q100.
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 ..............

a.

Binary Search Tree

b.

AVL Tree

c.

Heap

d.

Threaded Binary Tree

Discuss
Answer: (c).Heap
Page 10 of 32

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