I had the dunce's version of this. They asked me if I had seen the problem before. I (truthfully) answered yes, and they moved on to a different problem (which

I had the dunce's version of this. They asked me if I had seen the problem before. I (truthfully) answered yes, and they moved on to a different problem (which I aced). I didn't tell them that I completely failed when given the original problem and didn't learn the right way since. And have bad memories of doing it and would probably panic if I tried again during that interview.