At one interview I was presented with sheets of blank paper, coloured pens and pencils and asked: “pretend you have to describe a wheelbarrow and an ironing board to an alien.”
I was slightly taken aback but on reflection I think this is a great interview question. Whether you choose to write a description, sketch a scenario, fold the paper into a model or draw a scaled plan, section and elevation I think reveals a lot about the mind of the designer. Are they more concerned with technical details or the bigger picture? How far out of the box do they think…?
Maybe you could make up your own version of something similar?