Free Mock Test - Data Structures and Algorithms : Tree (Test 2)

In an effort to support computer science students, coding enthusiasts, and job seekers preparing for technical interviews, a comprehensive Free Online Data Structure Mock Test has been launched. The test is designed to help learners evaluate their understanding of fundamental and advanced data structure concepts through a structured and interactive assessment.
Data Structures form the backbone of computer science and software development. Topics such as Arrays, Linked Lists, Stacks, Queues, Trees, Graphs, Hashing, and Algorithms are frequently asked in academic examinations, coding competitions, and technical interviews conducted by leading technology companies.
The newly introduced mock test platform offers a wide range of multiple-choice questions (MCQs) covering beginner, intermediate, and advanced-level topics. Participants can assess their strengths and identify areas requiring further improvement through instant results and detailed explanations.

Total Questions : 30

Timer : sec

Question : In a Pre-order traversal, the root node is visited:


Question : In an In-order traversal, nodes are visited in:


Question : Post-order traversal follows:


Question : In a BST, all values in the left subtree are:


Question : In-order traversal of a BST produces:


Question : Time complexity of searching in a balanced BST is:


Question : Which traversal is used to copy a tree?


Question : Which traversal deletes a tree safely?


Question : Root of the following tree is visited last in:


Question : Maximum nodes at level k of a binary tree:


Question : Searching key 50 in BST starts from:


Question : BST insertion always occurs at:


Question : Deleting a leaf node from BST requires:


Question : Node with one child is deleted by:


Question : Deletion of node with two children uses:


Question : Worst-case search complexity in BST:


Question : A skewed BST behaves like:


Question : Which node replaces a deleted node having two children?


Question : AVL Tree is:


Question : AVL stands for:


Question : Balance Factor of AVL node is:


Question : Allowed balance factor values are:


Question : Inserting 30,20,10 causes:


Question : LL imbalance is corrected using:


Question : Inserting 10,20,30 causes:


Question : RR imbalance is corrected using:


Question : Inserting 30,10,20 causes:


Question : LR Rotation requires:


Question : Inserting 10,30,20 causes:


Question : RL Rotation requires:


About us

Term & conditions

Privacy & Policy

Contact us