Question & Answer Posting Websites List

Sr .no	Site Name	Page Rank	Alexa Rank
1	http://www.linkedin.com/answers	9	12
2	http://zhidao.baidu.com/	8	5
3	http://answers.yahoo.com/	8	4
4	http://www.ask.com/answers	8	35
5	http://www.wolframalpha.com/	8	3742
6	http://askville.amazon.com/	8	10
7	http://en.wikipedia.org/wiki/Wikipedia:RD	8	6
8	http://www.reddit.com/r/AskReddit	8	52
9	http://www.prnewswire.com/profnet	7	2847
10	http://iask.sina.com.cn/	7	14
11	http://wiki.answers.com/	7	67
12	http://goaskalice.columbia.edu/browse-our-qa-library	7	206
13	http://www.quora.com/	7	287
14	http://www.answers.com/	7	3525
15	http://www.yedda.com/	7	206
16	http://www.trulia.com/voices/qa/	6	428
17	http://answers.webmd.com/	6	333
18	http://www.ehelp.com/	6	115140
19	http://en.bab.la/forum/	6	1293
20	http://www.straightdope.com/	6	5089