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
Filters · onDifficulty, topic, company
Clear all

239 questions

  1. 97Design an iron for the blind.Hard· Microsoft
  2. 98Design a kayak rental service.MediumProduct· Amazon, Microsoft
  3. 99How would you design and launch a TinyURL-like product?MediumProduct· Microsoft
  4. 100Design a leaderboard system.MediumSystem design· Meta, Microsoft
  5. 101Design a LinkedIn for blue collar workers.HardProduct· LinkedIn, Microsoft
  6. 102Design a next-generation elevator.HardProduct· Google, Meta
  7. 103Design a parking lot.MediumProductTechnical· Meta, Microsoft
  8. 104Design a photo app for the blind.HardProduct· Microsoft
  9. 105Design a product that helps college students in dorms befriend each other, including architecture and database schema.HardProductTechnical· Microsoft
  10. 106Design a refrigerator for kids.MediumProduct· Microsoft
  11. 107Design a smart whiteboard for an office.MediumProduct· Microsoft
  12. 108Design a system to log messages in orderMediumSystem design· Google, Microsoft
  13. 109Design a task management app for personal use.MediumProduct· Microsoft
  14. 110Design a touchscreen table for a restaurant.HardProduct· Microsoft, Uber
  15. 111Design Uber Eats.HardSystem design· Amazon, Meta
  16. 112You're a PM at Uber; design a smartwatch app.MediumProductSystem design· Microsoft
  17. 113Design a key-value store.HardSystem design· Accenture, Anthropic
  18. 114Explain the differences between an interface and an abstract class.MediumCodingTechnical· Goldman Sachs, Microsoft
  19. 115What does it mean to excel as a product manager and how can you excel in any team or project?MediumBehavioral· Microsoft
  20. 116What is a company that you're excited about? If you were the CEO, what would you do differently?MediumProduct· Microsoft
  21. 117Explain BERT.MediumTechnical· Microsoft
  22. 118Explain the leader follower election in a distributed system.MediumSystem design· Microsoft
  23. 119Explain the differences between stack and heap memory allocation.MediumCoding· Apple, Microsoft
  24. 120What's your favorite subscription-based product?MediumProduct· Microsoft