Can you tell me which 2 questions are wrong so that i can understand them?

Which 2 questions are wrong ?

do you mean that some questions have some error ??

No , my two answers are wrong so i want to know which ones are wrong

is’nt it showing which questions you marked wrong ??
If not then mail at [email protected]

Now it is showing :slight_smile:

good !! mark your doubt as resolved if no further issues :slight_smile: .

As we know that time complexity of binary search is O(logn). So answer should be option d but in answer it is showing option b which is linear time

it is Question no 2 :

because its linked list not array .
refer this :- https://www.geeksforgeeks.org/binary-search-on-singly-linked-list/