AVL Trees MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 15, 2025

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1. : What is an AVL tree?





2. : In an AVL tree, what is the maximum allowed height difference (balance factor) between the left and right subtrees of any node?





3. : What is the worst-case time complexity for searching an element in an AVL tree with n nodes?





4. : Which operation in an AVL tree may require tree rotations to maintain balance?





5. : In an AVL tree, which rotation is used to restore balance when the tree becomes right-heavy?





6. : Which of the following properties is NOT necessarily true for AVL trees?





7. : What is the time complexity of inserting an element into an AVL tree?





8. : Which traversal of an AVL tree visits nodes in non-decreasing order of their values?





9. : In an AVL tree, which operation is used to find the successor of a given node?





10. : Which rotation operation is used in AVL trees to restore balance after a double rotation is performed?





11. : What is the worst-case time complexity for deleting an element from an AVL tree?





12. : In an AVL tree, what is the minimum number of nodes at level k?





13. : Which traversal of an AVL tree starts from the root, visits the left subtree, and then visits the right subtree?





14. : In an AVL tree, what is the maximum number of edges in a path from the root to a leaf node?





15. : Which rotation operation is used in AVL trees to restore balance after a double left rotation is performed?





16. : Which traversal of an AVL tree visits nodes in descending order of their values?





17. : In an AVL tree, what is the maximum number of nodes at height h?





18. : Which traversal of an AVL tree visits nodes level by level?





19. : Which of the following statements is true about AVL trees?





   

Data Structures MCQs

Basic Concepts
  1. Introduction to Data Structures
  2. Complexity Analysis MCQs
Linear Data Structures MCQs
  1. Arrays MCQs
  2. Linked Lists MCQs
  3. Stacks MCQs
  4. Queues MCQs
Non-Linear Data Structures MCQs
  1. Trees MCQs
  2. Heaps MCQs
  3. Graphs MCQs
Hashing MCQs MCQs
  1. Hash Tables
Sorting and Searching Algorithms MCQs 
  1. Sorting Algorithms MCQs
  2. Searching Algorithms MCQs
Miscellaneous
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  2. String Manipulation Algorithms MCQs
  1. Data Structures MCQs 1
  2. Data Structures MCQs 2
  3. Data Structures MCQs 3
  4. Data Structures MCQs 4
  5. Data Structures MCQs 5
  6. Stacks Solved MCQs
  7. Queues MCQs
  8. pointer mcqs
  9. Array MCQs
 

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