Sorting and Searching Algorithms MCQs 

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

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1. : What is the time complexity of bubble sort in the worst case?



2. : Which of the following sorting algorithms is based on the divide and conquer strategy?



3. : What is the main advantage of the merge sort algorithm?



4. : Which searching algorithm is optimal for a sorted array?



5. : What is the time complexity of insertion sort in the best case?



6. : Which of the following is a characteristic of selection sort?



7. : What is the average-case time complexity of quick sort?



8. : Which of the following algorithms is the most efficient for large datasets?



9. : What is the main disadvantage of quick sort?



10. : Which searching technique can be applied to both sorted and unsorted arrays?



11. : What is the time complexity of linear search?



12. : Which of the following algorithms uses a pivot element for sorting?



13. : What is the worst-case time complexity of merge sort?



14. : In which sorting algorithm does each element get compared to every other element?



15. : What is a key property of a stable sorting algorithm?



16. : What is the primary use of interpolation search?



17. : Which algorithm is not a comparison-based sorting algorithm?



18. : What is the space complexity of merge sort?



19. : What is the best-case scenario for quick sort?



20. : Which of the following algorithms sorts in place?



21. : What is the average-case time complexity of selection sort?



22. : Which of the following is true about binary search?



23. : What is the time complexity of heap sort?



24. : In which algorithm do elements “bubble” to their correct position?



25. : Which algorithm is typically faster for small datasets?



26. : What is the primary characteristic of the counting sort algorithm?



27. : Which of the following is a divide and conquer algorithm?



28. : Which sorting algorithm has the lowest worst-case time complexity?



29. : What is the main advantage of the binary search algorithm?



30. : Which of the following sorting algorithms is not stable?



31. : What is the primary disadvantage of selection sort?



32. : Which of the following algorithms is considered the fastest for large datasets in practice?



33. : Which sorting algorithm has the best average-case time complexity?



34. : What is the worst-case time complexity of binary search?



35. : Which of the following is a characteristic of the heap sort algorithm?



36. : What is the primary purpose of sorting algorithms?



37. : Which sorting algorithm divides the array into subarrays to sort?



38. : What is the expected time complexity of searching for an element in a sorted array using binary search?



39. : In the context of searching algorithms, what does “divide and conquer” mean?



 

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

  1. Memory Management in data structures MCQs
  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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