The majority of unanswered questions on Answers.com is not due to the answer being unknown... it is primarily due to the ambiguity of the questions for example...
Why can't you answer some of my questions?
Related Questions:
Does the person who asked this question have an answer to a question and does not know how to post the answer?
Does this person who asked this question wish to know why their question was left unanswered?
As such it is highly recommended that questions be as specific as the answers the person who asked this question is searching for.
Also, if your questions are not answered, you might want to put them in a category so it would be easier for someone to answer your questions. You can also add the questions unanswered to your watchlist.
it can give you the right questions.
It can. Many people on WikiAnswers answer math questions.
Yes , you can answer the questions on wikianswers.
You can recategorize, answer questions, edit questions, and do much more on WikiAnswers.
They do; it just takes longer than expected.
Thousands of questions are posted on WikiAnswers every day. As WikiAnswers relies mainly on volunteers to answer questions, it is not always possible for every question to be answered.
The question "What is the WikiAnswers Mentoring Program all about?".
Yes, some do. Many answer questions about themselves.
Some common problems with WikiAnswers are that new questions take a long time to get answered, and answers are sometimes short and unhelpful. WikiAnswers tries to solve these problems by holding contests and Answerthons, but there are still many unanswered questions. Check out the related questions below for some tips on getting your questions answered on WikiAnswers.
Although there are some 'bots' that help out on WikiAnswers, the general population of contributors on WikiAnswers are human.
Some questions on WikiAnswers are of no importance to the person asking and the person answering. Ask legitimate questions for legitimate answers.
Anyone can answer questions on WikiAnswers. So some people who answer them are knowledgeable, and some are not.