India, June 3 -- For job seekers, interviews can feel like a maze of unpredictable questions, but some CEOs have revealed the one simple question that can reveal more than it seems about every candidate. Indeed CEO Chris Hyams has revealed that he has asked the same question for over 15 years to as many as 3,000 candidates: "Do you have an iPhone or an Android, and why?"

The question might seem like a casual icebreaker, but Hyams claims it reveals everything he needs to know about the candidate's decision-making process. He said it starts a small discussion that reveals how individuals make choices, their personal preferences and their adaptability.

Even after asking the same questions to almost every candidate, Hyams notes he always ge...