3
zyspec has it right on target - We've used citas for several sites and the module works great...
We show the block on our main page and it works great.
The other way we have tackled the random question/answer scenario is to use SmartFAQ by the Smart Factory. We show a block with a random question and it has a few more data entry features like categories that Random Quote module does not include. SmartFAQ is
here.
Both work, I suggest you download both and try them out. Each has pros & cons but no complaints about either.