When Erik Lars Myers of Durham, North Carolina, was asked this question during an interview for an admin position, he wasn’t sure what to think. “The first thing I said was, ‘Can you repeat that?’” he says.

That request bought Myers some valuable time to puzzle out an answer. “I said, ‘So they don't fall in?’ which, incidentally, is the correct answer,” he says. “It was the only reasonable thing I could come up with.”

This interview question is asked to test problem-solving skills, which come in handy when the network goes down and your boss is hounding you for a report.