Yes, there are other websites that answer questions.
WikiAnswers answers hundreds and hundreds of questions each day. Many of the questions that are asked are poorly worded and impossibly vague. The others are answered by volunteers as and when they have time. There are other websites where you can pay people to answer questions, and if WikiAnswers does not meet your needs then you are welcome to seek elsewhere.
Diagnosis.com
One can get practice CDL test questions on several websites. These websites include CDL's official website, which is the most trusted website to find CDL practice questions.
www.math.com
elearning.com
YES! ACT.org!
There is Yahoo! Answers
You help others answer questions and ask questions yourself.
The DMV will not answer basic questions, however there are lots of other websites online which will. I personally suggest you try the following websites, driversprep.com/ or www.testquestionsandanswers.com.
Yes. I have personally answered 33,672 questions and there are others on here who have answered more. Some questions don't deserve an answer. Others are rude or not complete questions.
There are many websites that offer SAT practice questions and practice exams. These websites also help you figure out how to approach certain questions.