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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 1 of 32

Explore more Topics under Data Structures and Algorithms

Q1.
The following formula is of :

left_subtree (keys) โ‰ค node (key) โ‰ค right_subtree (keys)
Discuss
Answer: (c).Binary Search Tree
Q2.
Binary search tree has best case run-time complexity of ฮŸ(log n). What could the worst case?
Discuss
Answer: (a).ฮŸ(n)
Q3.
In order traversal of binary search tree will produce โˆ’
Discuss
Answer: (c).sorted list
Q4.
In binary heap, whenever the root is removed then the rightmost element of last level is replaced by the root. Why?
Discuss
Answer: (b).To make sure that it is still complete binary tree.
Q5.
If we choose Prim's Algorithm for uniquely weighted spanning tree instead of Kruskal's Algorithm, then
Discuss
Answer: (b).we'll get the same spanning tree.
Q6.
The number of binary trees with 3 nodes which when traversed in post order gives the sequence A,B,C is ?

a.

3

b.

4

c.

5

d.

6

Discuss
Answer: (c).5
Q7.
Which method can find if two vertices x & y have path between them?
Discuss
Answer: (c).Both A & B
Q8.
Access time of a binary search tree may go worse in terms of time complexity upto
Discuss
Answer: (c).ฮŸ(n)
Q9.
Visiting root node after visiting left and right sub-trees is called
Discuss
Answer: (c).Post-order Traveral
Discuss
Answer: (d).last element of the last level

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