Content is occasionally removed from WikiAnswers when it is deemed inappropriate or illegal.
I am assuming you are metaphorically asking what questions need to be removed from WikiAnswers. WikiAnswers is trying to become a PG-13 site. Any swearing/profanity, hacking or bypassing blocked sites, illegal activities, cyberbullying and other inappropriate questions and answers are removed. Nonsense questions, questions with not enough information provided and questions that add no value to WikiAnswers are also removed.
Many questions should be removed from WikiAnswers, but when it is removed from the data bases completely, people can just ask it again. There is a category called the 'Catch-All' category, and every question in it is the storage question to all answers that shouldn't belong on WikiAnswers. This category of questions has storage questions from having not enough information, to relating to cyberbullying.
You cannot demand answers from WikiAnswers on your questions. WikiAnswers does not answer your questions, it is the members of this community that answer your questions. You can request for your question to be answered but not demand for the same.
Wikianswers does not answer your questions. It is people from around the globe on the internet that answer the questions.
None, of the questions on WikiAnswers are outdated.
You can in answers, but not in questions.
WikiAnswers is constantly being "modified" with new questions, answers, and changes to existing answers.
Irrapropiate questions and answers and offending someone through questions or answers
No, you cannot download WikiAnswers' questions, categories, and answers from WikiAnswers. WikiAnswers is solely on the internet, and cannot be downloaded. The WikiAnswers database will always remain on the internet, and for a good reason.
Wiki answers most of your questions but not all of them!!
All but the simplest math questions are welcome and may be answered on WikiAnswers. (Simple calculation questions will be removed, eg. "what is 2+2".) Yes, wiki answers will help you to solve your math problems. Simple problems are solved directly, but for complex problems they will suggest related sites where you can get math questions with solutions.
There is no ACTUAL website that gives you complete answers to NovaNet, because NovaNet is always changing. WikiAnswers does not provide NovaNet answers, and copied NovaNet questions may be removed.