You can answer as many questions as you'd like (same with voteups and bumps) but you only get points or credits for the number allotted at your particular level. The number will gradually increase--for example, right now I am at level 22 and I think I have 50 answers each day I can get credits for (though I never answer that many in a day), 10 questions I can ask, 12 bumps, and maybe 65 vote ups. You might find the answers group helpful:
Sorry, once again the full editor does not seem to be working for me, so I can't create an actual link for the group. Just copy and paste.
at 7:37 AM on Oct. 20, 2010