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Welcome to the Sorting and Searching MCQs Page

Dive deep into the fascinating world of Sorting and Searching with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Sorting and Searching, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Sorting and Searching, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Structures and Algorithms.

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Check out the MCQs below to embark on an enriching journey through Sorting and Searching. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Structures and Algorithms.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Sorting and Searching. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Sorting and Searching MCQs | Page 4 of 24

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Q31.
The number of interchanges required to sort 5, 1, 6, 2 4 in ascending order using Bubble Sort is

a.

6

b.

5

c.

7

d.

8

Discuss
Answer: (b).5
Q32.
In worst case Quick Sort has order

a.

O (n log n)

b.

O (n^2 /2)

c.

O (log n)

d.

O (n^2 /4)

Discuss
Answer: (b).O (n^2 /2)
Q33.
A sort which relatively passes through a list to exchange the first element with any element less than it and then repeats with a new first element is called

a.

insertion sort

b.

selection sort

c.

heap sort

d.

quick sort

Discuss
Answer: (d).quick sort
Q34.
Which of the following sorting algorithms does not have a worst case running time of O (n^2) ?

a.

Insertion sort

b.

Merge sort

c.

Quick sort

d.

Bubble sort

Discuss
Answer: (b).Merge sort
Q35.
The quick sort algorithm exploit _________ design technique.

a.

Greedy

b.

Dynamic programming

c.

Divide and Conquer

d.

Backtracking

Discuss
Answer: (c).Divide and Conquer
Q36.
The total number of companions required to merge 4 sorted files containing 15, 3, 9 and 8 records into a single sorted file is

a.

66

b.

39

c.

33

d.

15

Discuss
Answer: (c).33
Q37.
The complexity of searching an element from a set of n elements using Binary search algorithm is

a.

O(n)

b.

O(log n)

c.

O(n^2)

d.

O(n log n)

Discuss
Answer: (b).O(log n)
Q38.
Which of the following sorting methods would be most suitable for sorting a list which is almost sorted

a.

Bubble Sort

b.

Insertion Sort

c.

Selection Sort

d.

Quick Sort

Discuss
Answer: (a).Bubble Sort
Q39.
Quick sort is also known as

a.

merge sort

b.

heap sort

c.

bubble sort

d.

none of these

Discuss
Answer: (d).none of these
Q40.
The goal of hashing is to produce a search that takes

a.

O(1) time

b.

O(n^2 ) time

c.

O(log n ) time

d.

O(n log n ) time

Discuss
Answer: (a).O(1) time
Page 4 of 24

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