What does Elon really want to know ?
1) Do you think outside the box ? - North Pole is the wrong answer.
2) Are you a math geek ? - North Pole is the wrong answer.
3) Are you the sort who recognizes that the lack of a unique answer and protests the fairness of the question? - North Pole is probably still the wrong answer
4) Will you embrace the KISS principle? - North Pole is the RIGHT answer.
The form of the teaser that I originally heard is