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

174 questions

  1. 121Merge k sorted linked lists.HardCoding· Adobe, Apple
  2. 122How would you grow Microsoft Copilot by 10x?HardProduct· Google
  3. 123What milestones would you look for to determine if a product isn’t performing well, and what process would you lay out to sunset the product while handling stakeholders?HardDataProduct· Google
  4. 124What is the monthly sales volume of Pixel phones in Africa?HardProduct· Google
  5. 125A leading Canadian grocery chain is considering opening its first store in Montreal. Should they? If yes, what should be the ratio of self-checkout kiosks to cashier counters?HardProduct· Google
  6. 126At Netflix, you notice about 1M users drop off around 6 months after signing up. What could be causing this and how would you address it?HardDataProduct· Google
  7. 127As part of the Netflix PM team, how would we investigate the issue of one million active subscribers not logging into the platform?HardDataProduct· Google
  8. 128You are the lead for recommending notifications to an existing news app. Describe how the product works, the technologies used, how the system decides what notifications to send, and how you would test it.HardProduct· Google
  9. 129How many elevators are required in a building with 100 floors?HardData· Google
  10. 130How many ping pong balls can fit in a helicopter?HardProduct· Google
  11. 131If you were the PM for Google Web Answers, what metrics would you prioritize?HardProduct· Google
  12. 132As the PM for Hangouts, what would be your next steps after it launched in 2013 with a 3-star rating and polarized reviews?HardDataProduct· Google
  13. 133You're a PM at a vending machine company. Your CEO asks you to design a new line of vending machines for Hotels/Motels. What would you do?HardProduct· Google, Microsoft
  14. 134How would you price buying a season of a show on YouTube?HardProduct· Google
  15. 135How would you price YouTube Premium?HardData· Google
  16. 136Design a product for drivers during rush hour.HardProduct· Google
  17. 137How would you reduce bandwidth in a video streaming app? What technical metrics would you consider?HardTechnical· Google
  18. 138As a PM at Meta, how would you make users feel less guilty about using Instagram while also increasing revenue?HardProduct· Google
  19. 139Given a matrix with a rat, bread, cat, and obstacles, find a path from the rat to the bread that maximizes the minimum distance from cat.HardCoding· Google
  20. 140How many parking spots are there in San Francisco?HardProduct· Google
  21. 141Name your top three favorite products, select one, and outline a plan to scale it by tenfold.HardProduct· Google
  22. 142If you have allocated budget, how would you solve the climate crisis problem?HardDataProduct· Google
  23. 143YouTube's average video buffering time has increased by 10%. How would you address this issue?HardDataProduct· Google
  24. 144You're the Head of Product at Spotify. What goals and strategies would you set?HardProduct· Google, Instacart