Potential new hires at Dell Inc. have been fielding some strange questions, according to Glassdoor’s list of the top 25 oddball interview questions. The list, compiled from questions submitted by candidates over the past year, includes this one from Round Rock-based Dell (Nasdaq: DELL): “What song best describes your work ethic?” Although the consumer sales candidate who submitted the question didn’t include a response, the Austin Business Journal's news team imagines the perfect answer…