Free Mock Test - Data Structures and Algorithms : Tree (Test 1)

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 : What is a Tree in Data Structure?


Question : Which node is at the top of a tree?


Question : In a Binary Tree, a node can have at most:


Question : Number of edges in a tree having n nodes:


Question : A node with no children is called:


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


Question : Inorder traversal follows:


Question : Preorder traversal follows:


Question : Postorder traversal follows:


Question : Which traversal gives sorted output in BST?


Question : BST property:


Question : Search complexity in balanced BST:


Question : Worst-case search complexity in BST:


Question : Which traversal is used to delete a tree?


Question : AVL tree is:


Question : Balance Factor of AVL Tree is:


Question : Allowed balance factor values in AVL Tree:


Question : LL imbalance is fixed using:


Question : RR imbalance is fixed using:


Question : LR imbalance requires:


Question : B-Tree is mainly used in:


Question : B-Tree is:


Question : All leaves in B-Tree are:


Question : Height of B-Tree grows:


Question : In B+ Tree, actual records are stored in:


Question : Leaf nodes in B+ Tree are:


Question : Red-Black Tree is:


Question : Root node of Red-Black Tree is always:


Question : AA Tree is a simplified version of:


Question : AA Tree uses which balancing operations?


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