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4,310 interview questions, answered.

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43 questions

  1. 1Imagine you are a data scientist for Instagram. How would you balance ads and follower posts and how would you monitor its effectiveness.HardData· Meta
  2. 2Choose a meaningful metric to measure the success of launching bikes as a form of transport for Dashers.MediumData· DoorDash
  3. 3There's a YoY slowdown in transactions. How would you structure your analysis?HardData· PayPal
  4. 4Imagine you're a data scientist at Meta. There's been a sudden 10% drop in Facebook's daily post views. How would you investigate?MediumData· Meta
  5. 5What is the market size for driverless cars in 2025?HardDataProduct· Google
  6. 6Choose a product you like and explain how you would identify its competitors.MediumData· Google
  7. 7Imagine you are a data scientist for Netflix. How would you use data to decide whether a TV series is worth renewing?MediumData· Netflix
  8. 8How long would 100 cars stopped at a traffic light take to all pass the light?MediumDataProduct· Revolut
  9. 9Tell me about a project where you had to clean and organize a large dataset.MediumDataTechnical· Anthropic
  10. 10How would you convey insights and the methods used to a non-technical audience?MediumDataTechnical· IBM
  11. 11How would you determine if Facebook Messenger should introduce group calling?MediumData· Meta
  12. 12Given a feature data record (FDR), how would you detect anomalies in it?MediumData· Airbus
  13. 13How would you model the expected ROI of a new product launch?MediumData· Anthropic
  14. 14How many gas stations are there in California?MediumTechnicalData· MasterClass
  15. 15How would you reduce attrition in a team/organization?MediumDataProduct· Revolut
  16. 16Given an array of integers, print all subarrays that sum to zero.MediumCodingData· Meta
  17. 17Tell me about a time you used data to diagnose and solve a problem.MediumData· ARM Holdings, Instacart
  18. 18How would you visualize sales and customer usage?MediumData· Amazon
  19. 19Meta’s new app shows 25% drop-off at sign-up. How do you analyze this?MediumData
  20. 20Walk me through how you'd assess the success of a beta launch.MediumData
  21. 21Improving StudentsHardCodingData
  22. 22How do you handle joining data from different sources with inconsistent IDs?HardData
  23. 23You have three ideas for expansion but limited resources. How would you help prioritize them?MediumData
  24. 24You’re launching a new feature—how would you measure its strategic impact on growth?MediumData