# Hiremee Quiz on Searching and Sorting with Answers

Question 1

Time: 00:00:00
Which of the following Sorting Algorithm will perform the worst if the numbers are ordered in the opposite form?

Quick Sort

Quick Sort

Bubble

Bubble

Selection

Selection

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Question 2

Time: 00:00:00
Binary Search can have _____ number of maxm comparsions?

log(n) + 1

log(n) + 1

2*log n

2*log n

n

n

(n+1)/2

(n+1)/2

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Question 3

Time: 00:00:00
What is the third number from the left while doing bubble sort in the 3rd iteration for 5 1 4 2 8?

4

4

5

5

2

2

8

8

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Question 4

Time: 00:00:00
Find the 3rd number from the left in the 3rd iteration while doing selection sort for - arr[] = 64 25 12 22 11

22

22

12

12

25

25

64

64

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Question 5

Time: 00:00:00
In breadth-first search, which of the following options is true?

Beginning from a node, each adjacent node is fully explored before traversing the next adjacent node

Beginning from a node, each adjacent node is fully explored before traversing the next adjacent node

Beginning from a node, nodes are traversed in cyclical order

Beginning from a node, nodes are traversed in cyclical order

none of these

none of these

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Question 6

Time: 00:00:00
Which of the following algorithm will be the slowest amongst the following

Shell

Shell

Heap

Heap

Quick

Quick

Bubble

Bubble

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Question 7

Time: 00:00:00
Select the appropriate code that performs bubble sort.
a)
```
for(int j=arr.length-1; j>=0; j--)

{

for(int k=0; k<j; k++)

{

if(arr[k] > arr[k+1])

{

int temp = arr[k];

arr[k] = arr[k+1];

arr[k+1] = temp;

}

}

}

```
b.
```for(int j=arr.length-1; j>=0; j--)

{

for(int k=0; k<j; k++)

{

if(arr[k] < arr[k+1])

{

int temp = arr[k];

arr[k] = arr[k+1];

arr[k+1] = temp;

}

}

}

```
c.
```for (int j = arr.length; j >= 0; j--)
{
for (int k = 0; k < j; k++)
{
if (arr[k] > arr[k + 1])
{
int temp = arr[k];
arr[k] = arr[k + 1];
arr[k + 1] = temp;
}
}
}```

d. None of the mentioned

A

A

B

B

C

C

D

D

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Question 8

Time: 00:00:00
What is the advantage of bubble sort over other sorting techniques?

It is faster

It is faster

Consumes less memory

Consumes less memory

Detects whether the input is already sorted

Detects whether the input is already sorted

All of the mentioned

All of the mentioned

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Question 9

Time: 00:00:00
The given array is arr = {1,2,4,3}. Bubble sort is used to sort the array elements. How many iterations will be done to sort the array with improvised version?

4

4

2

2

1

1

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Question 10

Time: 00:00:00
Consider the situation in which assignment operation is very costly. Which of the following sorting algorithm should be performed so that the number of assignment operations is minimized in general?

Insertion sort

Insertion sort

Selection sort

Selection sort

Heap sort

Heap sort

None

None

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