There are (
N+1 ) people in a party, they might or might not know each others names.
There is one celebrity in the group (total
N + 1 people), celebrity does not know any of
N peoples by name and all
N people know celebrity by name.
You are given the list of people’s names (
N + 1),
You can ask only one question from the people.
Do you know this name?
How many maximum number of questions you need to ask to know the celebrity name?
Note: assume all names are unique. and you know the persons by name (but don’t know if he is celebrity )