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.

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86 questions

  1. 49How many quarters are needed to reach the height of the Empire State Building?MediumProduct· Google
  2. 50Determine the right number of photos to show in Facebook's Newsfeed.MediumDataProduct· Meta
  3. 51Estimate Self-Driving CarsMediumProduct· Dropbox
  4. 52How many Slack messages are sent per day?MediumProduct· Microsoft
  5. 53How much time does a person spend at a traffic intersection during their lifetime?MediumDataProduct· Google
  6. 54What is the annual expenditure of the U.S. on school furniture?MediumProduct· CCareMetx
  7. 55How much oil, in barrels per year, does the United States import?MediumProduct· Google
  8. 56Calculate the average distance between cities.MediumCodingProduct· Waymo
  9. 57How many bikes are needed to launch a bike-sharing service in NYC?MediumProduct· Google
  10. 58How many calls are received per day?MediumProduct· Google
  11. 59How long would 100 cars stopped at a traffic light take to all pass the light?MediumDataProduct· Revolut
  12. 60How many airplanes are currently in the air over the Bay Area?MediumProduct· Google
  13. 61Estimate the circumference of the Earth at the Equator.MediumProduct· Google
  14. 62Estimate the number of Lyft rides on Halloween.MediumProduct· Lyft
  15. 63How many planes are currently flying over the US?MediumProduct· Google
  16. 64Estimate the number of restaurants in San Francisco.MediumProduct· Google, Google X
  17. 65Estimate the total miles run by joggers in Central Park.MediumBehavioralProduct· Google
  18. 66Estimate the number of trains operating in the NYC subway.MediumProductSystem design· Google
  19. 67You're starting a company to sell face masks. How many should you make?MediumProduct· Google
  20. 68What is your favorite international airport? Estimate daily arrivals and departures.MediumProduct· Google
  21. 69How long would it take to fill an Olympic swimming pool with water from a garden hose?MediumProduct· Walmart Labs
  22. 70How many messages does Gmail receive per second?MediumProduct· Google
  23. 71What is the total addressable market (TAM) for Google Translate?MediumProduct· Google
  24. 72How many ads should Facebook Newsfeed display?MediumProduct· Meta