Landing a job at a top consulting firm is famously difficult in part thanks to the case interview, during which candidates are asked to solve real-world business problems on the spot and out loud. Aspiring consultants might spend months going through practice cases in order to prepare for the case interviews, which firms use to assess a potential hire's problem-solving abilities, communication skills, and business knowledge. "They're evaluating you on your thinking, ultimately," Kelly He-Sun, a