No one knows, because everyday there might be a new answer put in that is longer than the one before it.
So far the longest answer found seems to be "How many countries are there in the world?" Other long answers on WikiAnswers are listed below in the related links section of this answer.
The original creator of WikiAnswers, Chris, has the oldest account.
According to the list provided in the 'related questions', RoyR, Neila222, and Crystal have been on WikiAnswers for the longest (since 2005).
The user "Chris", who is the founder of WikiAnswers (originally named FAQ Farm) has been on the site for the longest. See the related link to Chris' profile!
Chris Whitten, the founder of WikiAnswers.
Longest Wiki Besides WikipediaI believe the longest wiki created besides Wikipedia would have to be our own WikiAnswers.
I believe it would be the Supervisor team.
the person who has been on the longest is Chris the creator of the website.
200 Characters Is the Limit200 characters (i.e., letters, numbers, spaces and symbols) is the limit. There are a number of questions of this exact length on WikiAnswers.
asked - milliseconds. answered - hours.
Alec Mario currently has the longest profile on WikiAnswers(Awesome bio!)Man Person has the second-longest profile on WikiAnswers, with 262 pages. See related link. (Awesome bio!)Nightfrost is next. See related link.Smartblonde926 is next, with 108 pages. See related link.Noemikez3 comes close with an equally impressive one, 55 pages in total. See Related link.Rathnashikamani comes somewhere in between. See the related link.
Almost certainly, less than 30 seconds.
User "Chris" is the founder of the website (originally created in 2002 as FAQ Farm).