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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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40 questions

  1. 1Azure provides HPC and wants to maximize its usage in the energy sector. What would be your strategy to ensure all energy sector clients move to HPC instead of AWS services?HardProduct· Google
  2. 2How much does it cost Google to run Google Photos?HardProduct· Google
  3. 3Estimate the cost to replace lost street view data for Google Maps in NY.HardBehavioralProduct· Google
  4. 4How many drones would be needed to deliver all FedEx packages in the US?HardProduct· Google
  5. 5Pick an airport and estimate the number of people going through the metal detectors in a day.HardProduct· Google
  6. 6Estimate the annual cost of running YouTube.HardProduct· Google
  7. 7Estimate the cost of storing Google Earth photos.HardProduct· Google
  8. 8Estimate the annual cost of managing Google Photos. What factors would you consider in your calculation?HardProduct· Google
  9. 9Estimate how much it costs to run Youtube for a dayHardProduct· Google
  10. 10Estimate the daily number of transactions in the US.HardProduct· Visa
  11. 11Estimate the total number of annual hotel bookings made globally on Expedia.HardDataProduct· Expedia
  12. 12Estimate Facebook's yearly advertising revenue.HardProduct· Meta
  13. 13Estimate the storage needs for Google Photos on Pixel phones.HardProductSystem design· Google
  14. 14Estimate the number of people who use Google Search to find a new job.HardProduct· Google
  15. 15Estimate the total market value of Google's Project Loon, which uses IoT devices to provide internet access to rural and remote areas.HardProduct· Gusto
  16. 16Estimate Lyft's revenue.HardProduct· Lyft
  17. 17Estimate how much money a homeless person earns annually by standing at a traffic intersection in SF.HardProduct· Oportun
  18. 18Estimate the monthly profit per user for Capital One shopping.HardProduct· GCGoogle Cloud (GCP)
  19. 19Pick a Capital One product. Estimate the monthly revenue per customer.HardProduct· Capital One
  20. 20Estimate the number of mutual follows an average TikTok user has.HardProduct· TikTok
  21. 21You're a PM for Gmail. Your team won a communications contract with a 10,000-person colony on Mars. Estimate the necessary network bandwidth.HardProduct· Google
  22. 22Estimate the number of trees in the city of Delhi.HardProduct· PPark+
  23. 23Estimate the number of potholes in continental USA.HardProduct· Google
  24. 24Estimate the storage needed for a day's worth of information from your brain.HardProductSystem design· Google