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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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239 questions

  1. 73You are designing an A/B test on Bing. When would you run a user-tied flight versus an untied flight, and what are the benefits and drawbacks of each?MediumData· Microsoft, State Bank Of India
  2. 74You're a PM at Bing. What would you do to take over 5% of Google's search market share?HardDataProduct· Microsoft
  3. 75Given an array of integers and an integer k, find the kth largest element in the array.MediumCoding· Meta, Microsoft
  4. 76Given two empty jugs with capacities a and b liters and an infinite water supply, determine a way to end up with exactly X liters of water.MediumCoding· Microsoft
  5. 77Tell me about a time you convinced someone to change their mind.MediumBehavioral· Asana, Gladly
  6. 78Code conv2d from scratchData· Microsoft
  7. 79Fine-tune a pre-trained LLM for a product featureData· Microsoft
  8. 80Prove 1-NN error is at most twice the Bayes errorData· Microsoft
  9. 81Decide product-market fit for sticky post-its.MediumProduct· Microsoft
  10. 82Delete Node in a Binary Search Tree (BST).MediumCoding· Microsoft
  11. 83Design an alarm clock for blind people.MediumProduct· Google, Microsoft
  12. 84Design an AR app for college tours.MediumProduct· Microsoft
  13. 85Design an ATM for the blind.MediumProduct· Google, Microsoft
  14. 86Design an app for renting bicycles.MediumProduct· Microsoft
  15. 87Design a cookbook app.MediumProduct· Microsoft
  16. 88Design a digital library to encourage kids to read.MediumProduct· Microsoft
  17. 89Design an email application for the blind.HardBehavioralProduct· Microsoft
  18. 90Design Facebook Messenger.HardSystem design· Meta, Microsoft
  19. 91Design a file system.HardSystem design· Amazon, Microsoft
  20. 92Design a financial product for kids.MediumProduct· AAffable, Microsoft
  21. 93Design E2E experience for elderly travelling through Flights.HardProduct· Microsoft
  22. 94Design a food delivery app including UX for seller app, MVP creation, success metrics, user app flow, and geo-based hotel search.HardProduct· Meta, Microsoft
  23. 95Design Google Drive.HardSystem design· Meta, Microsoft
  24. 96Design a security system for a hotel.HardProductTechnical· Microsoft