I feel like I've read this exact comment before on another "Apply to YC!" thread.

So I went through and applied for the first time, and honestly, I felt like a lot of the questions were very obvious? Could be because I come from a finance / business background vs. a CS background, but I was shocked that people would consider these questions non-obvious.

Hopefully this doesn't come off as arrogant. If it helps, I was rejected from YC, so perhaps I hadn't thought through the questions enough!