There are a variety of reasons for answering questions for free, including:
...and so forth.
Yes, there are very many people working on these questions day and night, giving their free time to try and help other people with these questions.
perhaps free time.
Answer questions about other people.
Wikianswers doesn't charge people to ask questions, ask away.
"Answers" is a free knowledge-sharing application similar to Answers.com on the computer where people go to ask questions and answer questions that others have asked.
On this site, anyone is free to ask a question and anyone is free to answer a question. Some people, such as myself, enjoy answering questions. It's a hobby.
There are a lot of questions on this site, and it is difficult for people to get around to every single one of them. Feel free to jump in and start answering questions from other people. If we all pitch in, it will make it more likely that yours get answered as well. :)
Wiki is a free website where people ask and answer out of their interest and not for money. There are some people who consistently logon and try to answer all the questions they know. There are a bunch of people who answer on a dedicated basis but still the number of new questions far outnumber the number of people available to answer them. The supervisors and other community members are trying their best to answer as many questions as possible.
Since "dumb" describes someone who cannot/will not speak, there may be some people of that ilk who answer questions here. If you are implying that people of questionable intelligence frequent this site, this site has no IQ requirement for participation. Feel free to flag improperly answered questions - or correct it if you can.
It depends on how many people see the post and if they actually know the answer. Also the people that answer the questions are volunteers so they're not required to answer the questions instead they do it on their free time. hope it helps
People in Ontario do the following in their free time: 1. Go Fishing 2. Watch Hockey 3. Exercise 4. Answer questions on answers.com 5. Do remodelling jobs around the house
ChaCha is a great site for answering random questions. And it's free! Another one might be Yahoo Answers.