You got question list in a little process goto
http://www.blastcasta.com/ and in url enter your question and answers website url and select options like width and others like no. of posts(means questions) and get widget code and paste it where you want to show questions list.
its easy and you also use this as a slide show.
for example if you want to show hot question list enter hot questions url (www.example.com/hot/) .....
i hope it work fine..
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Jan 12, 2019: Q2A 1.8.3 released!