Question bank

4,310 interview questions, answered.

Reference answers, what the interviewer is really testing, how it is graded, and the follow-ups that come next.

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7 questions

  1. 1Print all combinations of numbers from 1 to n that sum to n.MediumCoding· Adobe, Apple
  2. 2Design a product recommendation system.HardAI MLSystem design· Meta, Pinterest
  3. 3Help Reddit expand into Japan.Hard· Reddit
  4. 4Tell me about yourself.MediumBehavioral· Accenture, ADP
  5. 5What is overfitting or underfitting? Which models are most likely to experience this, and why?MediumTechnicalAI ML· Nvidia, OpenAI
  6. 6If a vulture’s head size were to double, what impact would this have on its survival and adaptation? Use root cause analysis (RCA) to explain.HardData· Reddit
  7. 7Tell me about a time you made a mistake.MediumBehavioral· Amazon, Google