My favorite questions are: "Why did you apply?" (um, money?), "Why are you the best candidate?" (Just tell me what you want me to say), "What are your negative traits?" (um, how is that helping my poisition), "Did you finish that extra education (worth 800 euros in Rome)?" or "Did you do this or that education?" (for that you need to be in the school system, but you're applying to be inferred into the system). 
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Scallywag