Data Structures MCQs
Solved Data Structures MCQs: trees, binary search trees, graphs and traversals.
48 articles in this topic

Call by Value, Address and Reference in C MCQs: 12 Solved Questions with Explanations
Solve 12 C questions on copied parameters, pointer writes, pointer-to-pointer swaps and array decay. Each answer includes a short trace and the exact exam trap.

C Language Concepts MCQs: 12 Solved Questions with Explanations
Solve 12 C concept MCQs on strings, macros, escape sequences, declarations and sequencing. Each answer names the rule and the wrong option it is built to catch.

Heaps and Priority Queues MCQs: 12 Solved Questions with Explanations
Solve 12 heap MCQs, then check exact array traces for sift-up, delete-max and bottom-up heap construction, plus clear explanations of complexity and top-k selection.

C Pointer Basics MCQs: 12 Solved Questions on Declaration, Initialization and Dereferencing
Test the pointer rules that learners most often reverse. These 12 explained MCQs move from address binding to double pointers, byte access and object lifetime.

C Data Type Fundamentals MCQs: 12 Solved Questions with Explanations
Attempt 12 C data-type MCQs, then check concise explanations, two worked output traces, and an honest note about one ambiguous option.

Character Pointer (String) MCQs in C: 12 Solved Questions with Explanations
Solve 12 C string and character-pointer MCQs, then check each trace step by step. The set covers declarations, terminators, pointer arithmetic, copy loops, precedence, and sizeof.

Array Basics MCQs in C: 11 Solved Questions with Explanations
Solve 11 array basics questions from GATE, ISRO, UPPSC and UGC NET. Each answer explains the C rule or trace that rules out the strongest distractor.

C Programming MCQs: 12 Solved Intro & Data Types Questions with Explanations
Attempt 12 C Programming MCQs drawn from state, teacher-recruitment and placement-style papers, then use the worked explanations to fix each concept.

Hashing MCQs: 12 solved questions on hash functions and collision resolution
12 solved hashing MCQs with explanations: hash functions, load factor, linear probing traces, separate chaining and universal hashing, previous-year GATE.

Stacks and Queues MCQs: 12 solved data structures questions with explanations
12 solved stacks and queues MCQs with explanations: LIFO and FIFO order, infix to postfix, circular queues, deques and stack-queue simulation, GATE PYQs.

Graph MCQs: 10 solved questions on representations, BFS, DFS and connectivity
Graph solved MCQs with explanations: 10 GATE PYQs on the adjacency matrix and list, BFS and DFS traversals, running times, connected components and SCCs.

Binary Tree MCQs: 11 solved questions on traversals, BST, AVL and heaps
Binary tree solved MCQs with explanations: 11 previous-year questions, 10 from GATE, on tree properties, traversals, binary search trees, AVL and heaps.