Over the years companies have developed interview questions which when first looked at seem off the wall. But they are really designed so the interviewer can have an idea of the job canidant thought pattern and how they deal under stress. All of the questions have valid answers.
In one of the Asian dramas I have watched over the years, a job canidant was asked the following question:
The earth will be destoryed in an hour, only three people survive, who are they?
The show never gave an answer. I figured out there was at least 2 answers. The one the interviewer was expected and an answer which may be closer to the truth.
The expected answer would be the three people on the International Space Station. Wheree the answer which maybe closer to the truth would be the three people who dreamed up the question as they believe they were the only ones smart enough to survive.