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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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766 questions

  1. 73Given the root of a binary tree, return the length of the diameter of the tree.MediumCoding· Amazon, Google
  2. 74Why would a car have a mirror mounted on its bonnet as part of its design?MediumProduct· Google
  3. 75How many bottles of wine are opened per day?MediumProduct· Google
  4. 76How would you bring Waymo to market in five years?HardProduct· Google
  5. 77Tell me about how you brought a product to market.MediumBehavioralProduct· Amazon, Capital One
  6. 78Discuss a broken process in your organization and how you addressed it.Medium· Expedia, Google
  7. 79Build a Google campus on the moon.HardProduct· Google
  8. 80How would you build Google Wing?HardProduct· Google, Google X
  9. 81How would you build a system on a ticketing website to manage high traffic during simultaneous ticket purchases?HardProduct· Google, Meta
  10. 82How would you build TinyURL?HardSystem designTechnical· Google, Meta
  11. 83How would you build a shared laundry experience?MediumProduct· Google
  12. 84How would you build a monitoring device for elderly people?HardProduct· Google
  13. 85Given a list with response time for each server, calculate how long time it will take to process n requests.MediumCoding· Google
  14. 86Design a self-driving car solution for kids.HardProduct· Google
  15. 87How would you choose the right machine learning algorithm for your system?MediumTechnical· Google
  16. 88How would you prepare a program to fix city roads?MediumDataProduct· Google
  17. 89How does communication between Mars and Earth work?MediumTechnical· Google
  18. 90How does Google Maps compute ETA?MediumTechnical· Amazon, Funding Societies
  19. 91Tell me about a time when you dealt with a conflict with engineers.MediumAI MLBehavioral· Google, Meta
  20. 92Google has just launched a new generational elevator. How would you convince customers to buy the product?HardProduct· Google
  21. 93Tell me about a time when you needed to convince a disagreeing team.MediumBehavioral· Amazon, Google
  22. 94How would you convince leadership to build a wristwatch for the elderly?MediumProduct· Google
  23. 95Your company excels in display technology, while a dominant market player, like Qualcomm, excels in System on Chip. How would you convince this major player to purchase your product?MediumProduct· Google
  24. 96How much does it cost Google to run Google Photos?HardProduct· Google