That's the only thing I can remember. >>; I don't recall getting that question for most interviews, believe it or not. It was always "What are your goals? How much school have you completed? What are you good at?" Rarely was I asked about weaknesses.
"Have you encountered any problems with customers."
I'm at the point in my life where if a customer gets snappy with me, that I'll just say... "If you'd like, you can wait in that line and the other cashier will serve you."
I don't get paid enough to have people bitch at me, because they feel like they need to. Minimum wage is not that great here, and they don't give us extra to listen to other people whine and complain that they're not getting their shit fast enough.
I applied for a job to work at a daycare and during the interview I was asked that question and I responded, "Coloring.... I love coloring more then children do! My niece always wants to stop coloring and I just sit there finishing the whole picture." I got the job! & currently still work there. :)