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From the following when 43 will not be found by binary search (a series was given with last element 43 in each)

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2)On which maximum operations cannot be performed .if we want to use abstract data type.
a)Array
b)Hash Table
c)Linked List
d)Heap
e)Binary Tree
A hash table has a size of 11 and data filled in its position like{3,5,7,9,6}how many comparisons have to be made if data is not found in the list in worst case
a) 2
b) 6
c) 11