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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4,310 questions

  1. 2401How many elevators are required in a building with 100 floors?HardData· Google
  2. 2402How many grocery stores are required in a metropolitan city?MediumProduct· Google
  3. 2403Choose one LinkedIn product you want to work on and describe how you would improve it.HardProduct· LinkedIn
  4. 2404Explain all kinds of OOP concepts in Python.MediumTechnical· Infosys
  5. 2405How is object-oriented programming (OOP) different from procedural programming?MediumTechnical· Visa
  6. 2406As a PM at Open Table, how would you resolve their biggest booking experience issue?MediumDataProduct· DoorDash
  7. 2407You are opening a new Walmart store. How many cash registers do you need?MediumProduct· Walmart Labs
  8. 2408The conversion ratio on OpenTable dipped by 10% in one day. What could be the cause?MediumDataProduct· DoorDash
  9. 2409As a notifications PM, how would you determine the optimal number of notifications, and what constitutes too many?MediumDataProduct· WWish
  10. 2410How would you optimize booking.com to improve conversion rates?MediumDataProduct· Booking.com, Coinbase
  11. 2411Given a string of parentheses types and an array of their efficiency ratings, write a function to find the most efficient valid parentheses sequence that can be formed. Return its total efficiency score.HardCoding· Amazon
  12. 2412How would you optimize the serving time at an ice cream shop?MediumDataProduct· Microsoft
  13. 2413Walk me through the pain points of a developer using serverless compute to deploy ML models and suggest options.MediumTechnical· Amazon
  14. 2414How many pairs of shoes do we own in our lifetime?Medium· Amazon
  15. 2415Partition an array into two sub-arrays with equal sum.MediumCoding· Apple, LinkedIn
  16. 2416Tell me about your past experiences and how they would make you a good PM.MediumBehavioral· Meta
  17. 2417You're a PM for a payment gateway with a $10 million extra budget for the next 1-1.5 years. Where would you invest it?MediumProduct· Mastercard
  18. 2418You received user feedback that Yelp's restaurant recommendation is not personal enough. What would you do?MediumAI MLProduct· Google
  19. 2419How many ping pong balls can fit in a helicopter?HardProduct· Google
  20. 2420How many ping pong balls fit in a helicopter?MediumProduct· Google
  21. 2421How would you pitch a new database product to a venture capital firm specializing in databases and analytics?MediumProduct· Google
  22. 2422Tell me about a time when you pivoted strategies and stakeholders disagreed.MediumBehavioral· Amazon
  23. 2423How would you integrate Amazon Alexa hardware into a car without software integration?MediumProductTechnical· Google
  24. 2424You are a PM at Amazon and want to increase the NPS. What would you do?MediumProduct· DoorDash