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.

Easy 190Medium 2,498Hard 982
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982 questions

  1. 673Regression testing before model/prompt changes shipHardAI ML
  2. 674Retrieval over structured data: tables, code, JSONHardAI ML
  3. 675RLHF in plain terms: what does it solve that SFT cannot?HardAI ML
  4. 676Scaling LLM inference for traffic spikesHardAI ML
  5. 677Sinusoidal positional encodings vs RoPEHardAI ML
  6. 678Speculative decoding: when it helps, when it failsHardAI ML
  7. 679The lineage from PPO to DPO to GRPOHardAI ML
  8. 680The "lost in the middle" phenomenonHardAI ML
  9. 681Why rerank after retrieval?HardAI ML
  10. 682How did you scale a local strategy to a global one, and what changed in your approach?HardProduct· Google
  11. 683How would you plan to localize a mobile app and decide which country to expand into and what changes to implement?HardBehavioralProduct· Google
  12. 684Implement LRU Cache.HardCoding· Accenture, Adobe
  13. 685As the PM for Lyft, what dashboard would you build to track the health of the app?HardData· Google, Lyft
  14. 686You join a project that is only 25% complete but has used 75% of its resources. What are your next steps?HardProduct· Google
  15. 687What is the market size for driverless cars in 2025?HardDataProduct· Google
  16. 688Describe your process for developing a marketing strategy for new products, especially in highly competitive industries like consumer electronics.HardTechnical· Anthropic
  17. 689One of your clients has experienced a 20% decline in profits. What would you do?HardDataProduct· McKinsey
  18. 690You're a PM at Meta. How would you measure the success of Instagram Live?HardDataProduct· Meta
  19. 691How would you measure the success of ChatGPT Search?HardData· OpenAI
  20. 692You're a PM at Meta. How would you measure the success of Facebook's notification bell and its drop-down menu?HardData· Meta
  21. 693As the PM for Ads in Facebook Reels, how would you measure success?HardDataBehavioral· Meta
  22. 694As the PM at Netflix, after launching Netflix Podcasts 6 months ago, how do you define and measure the success of this initiative?HardData· Meta
  23. 695How would you measure the success of initiatives to prevent misinformation on Facebook?HardDataProduct· Meta
  24. 696You're a PM at Meta. How would you measure the success of the 'Report Ad' feature for Ads, considering false positives and false negatives?HardData· Meta