Quiz-1

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Question 1

Time: 00:00:00
Which of the following case does not exist in complexity theory?

Best case

Best case

Worst case

Worst case

Average case

Average case

Null case

Null case

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Question 2

Time: 00:00:00
The complexity of linear search algorithm is

O(n)

O(n)

O(log n)

O(log n)

O(n2)

O(n2)

O(n log n)

O(n log n)

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Question 3

Time: 00:00:00
The complexity of Binary search algorithm is

O(n)

O(n)

O(log )

O(log )

O(n2)

O(n2)

O(n log n)

O(n log n)

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Question 4

Time: 00:00:00
The complexity of merge sort algorithm is

O(n)

O(n)

O(log n)

O(log n)

O(n2)

O(n2)

O(n log n)

O(n log n)

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Question 5

Time: 00:00:00
The complexity of Bubble sort algorithm is

O(n)

O(n)

O(log n)

O(log n)

O(n2)

O(n2)

O(n log n)

O(n log n)

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Question 6

Time: 00:00:00
The Worst case occur in linear search algorithm when

Item is somewhere in the middle of the array

Item is somewhere in the middle of the array

Item is not in the array at all

Item is not in the array at all

Item is the last element in the array

Item is the last element in the array

Item is the last element in the array or is not there at all

Item is the last element in the array or is not there at all

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Question 7

Time: 00:00:00
The worst case complexity for insertion sort is

O(n)

O(n)

O(log n)

O(log n)

O(n2)

O(n2)

O(n log n)

O(n log n)

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Question 8

Time: 00:00:00
The complexity of Fibonacci series is

O(2n)

O(2n)

O(log n)

O(log n)

O(n2)

O(n2)

O(n log n)

O(n log n)

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Question 9

Time: 00:00:00
The worst case occur in quick sort when

Pivot is the median of the array

Pivot is the median of the array

Pivot is the smallest element

Pivot is the smallest element

Pivot is the middle element

Pivot is the middle element

None of the mentioned

None of the mentioned

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Question 10

Time: 00:00:00
 The worst case complexity of quick sort is

O(n)

O(n)

O(log n)

O(log n)

O(n2)

O(n2)

O(n log n)

O(n log n)

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["0","40","60","80","100"]
["Need more practice!","Keep trying!","Not bad!","Good work!","Perfect!"]
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