Behavioral · Past Experiences & Situational Questions
Most Significant Mistake
This behavioral question asks you to describe a meaningful mistake from your experience and how you handled it.
Interview question
- Difficulty
- Easy
- Topic
- Behavioral
- Subtopic
- Past Experiences & Situational Questions
What this question trains
This prompt practices how to discuss a past error in a way that shows maturity, accountability, and self-awareness. In investment banking interviews, interviewers use questions like this to see whether you can stay calm under pressure, take ownership quickly, and learn from mistakes without making excuses or blaming others. The best responses show that you can explain the context clearly, acknowledge your role honestly, and reflect on how the experience improved your attention to detail and judgment in future work.