How about these http://www.foxprohistory.org/24dreadedquestions.htm

>Hi,
>
>Does anyone have a good set of VFP technical interview questions they can share? I am conducting some VFP interviews for new hires and it would be nice to have a decent set of "tried and tested" technical questions to sort the "men from the boys" :)
>
>Generally, I would wing this sort of thing but, the same set of questions would seem to be more fair across multiple applicants.
>
>Thanks!