Practice sorting Quizzes
Boost your knowledge of sorting with DevBrainiac's interactive quizzes that make learning faster and more effective. Each quiz focuses on real-world concepts, helping you improve accuracy, understand fundamentals and prepare better for technical interviews. Suitable for beginners and professionals alike, our sorting quizzes offer a focused, practical approach to mastering the topic.
Explore All sorting Quizzes
Learn sorting step by step with interactive quizzes designed for beginners and learners revising key concepts. Build a strong foundation with clear, structured practice in sorting.
Question 1
Which of the following sorting algorithms works best on a nearly sorted array?
1
Selection Sort
2
Bubble Sort
3
Quick Sort
4
Insertion Sort
Question 2
What is the time complexity of merging two sorted arrays of sizes m and n?
1
O(m + n)
2
O(1)
3
O(m * n)
4
O(log(m + n))
Question 3
What is the space complexity of the merge sort algorithm for sorting an array?
1
O(n)
2
O(log n)
3
O(1)
4
O(n log n)
Question 4
In which case does the time complexity of Quick Sort become O(n²)?
1
When the pivot is chosen randomly
2
When the array is already sorted and the first or last element is chosen as the pivot
3
When the array contains duplicate values
4
When the pivot is always the median
Question 5
Which sorting algorithm works best for small datasets and is easy to implement?
1
Merge Sort
2
Bubble Sort
3
Insertion Sort
4
Quick Sort
Question 6
Which of the following sorting algorithms can be used to sort a random linked list with minimum time complexity?
1
Quick Sort
2
Heap Sort
3
Insertion Sort
4
Merge Sort
Question 7
What is the time complexity of finding an element in a sorted array using binary search?
1
O(1)
2
O(log n)
3
O(n)
4
O( n log n)
Question 8
What is the purpose of Array.Sort(arr)?
1
Converts to string
2
Deletes array
3
Sorts the array in ascending order
4
Initializes array
Question 9
Which SQL keyword is used to sort the result set?
1
ORDER BY
2
SORT
3
FILTER
4
GROUP BY