YC interview questions

YC partners move fast and interrupt. Rehearse concise answers to the classic product, traction, market, and team prompts so you walk in ready, not rereading notes.

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Questions in this pack

110 prompts · speak first, then refine from your notes

  1. 1 · 90s

    What are you making?

  2. 2 · 120s

    How does your product work in more detail?

  3. 3 · 90s

    What's new about what you make?

  4. 4 · 90s

    What exactly makes you different from existing options?

  5. 5 · 90s

    Who needs what you're making?

  6. 6 · 90s

    What are your users doing now instead of using your product?

  7. 7 · 90s

    What are the top things users want?

  8. 8 · 60s

    Do you have a demo?

  9. 9 · 90s

    What part of this are you going to build first?

  10. 10 · 90s

    What is the simplest version of your idea?

  11. 11 · 90s

    Where is the rocket science here?

  12. 12 · 90s

    What is the next step in the product evolution?

  13. 13 · 90s

    What are you going to do next?

  14. 14 · 60s

    Is this a vitamin or a painkiller?

  15. 15 · 90s

    How do you know your product is working?

  16. 16 · 90s

    What problem are you solving, and why is it important?

  17. 17 · 90s

    How do you know customers need what you're making?

  18. 18 · 60s

    Have you experienced the problem yourself?

  19. 19 · 90s

    Why is now the right time to solve this problem?

  20. 20 · 90s

    Why is this a need-to-have and not just a nice-to-have?

  21. 21 · 60s

    How many users have ever engaged?

  22. 22 · 60s

    How many currently active users do you have?

  23. 23 · 60s

    How many users are paying?

  24. 24 · 60s

    What is your total revenue?

  25. 25 · 90s

    What are your total costs, fixed and marginal?

  26. 26 · 90s

    What is your acquisition funnel conversion rate?

  27. 27 · 60s

    What is your customer acquisition cost?

  28. 28 · 90s

    What are the growth rates of users, revenue, and costs?

  29. 29 · 60s

    What is your burn rate?

  30. 30 · 60s

    How long can you go before funding?

  31. 31 · 60s

    Have you raised funding?

  32. 32 · 90s

    Are users coming back repeatedly?

  33. 33 · 60s

    What's the churn rate?

  34. 34 · 60s

    What's the average revenue per user or average selling price?

  35. 35 · 90s

    What's your pricing strategy?

  36. 36 · 60s

    Are customers willing to pay?

  37. 37 · 90s

    What is your top-level KPI right now?

  38. 38 · 60s

    How many people are in your target market?

  39. 39 · 60s

    How big is the market in dollars?

  40. 40 · 60s

    How fast is the market growing?

  41. 41 · 90s

    Who are your competitors, and who might become competitors?

  42. 42 · 90s

    Which competition do you fear most?

  43. 43 · 60s

    How many users do your competitors have?

  44. 44 · 60s

    How much are your competitors making?

  45. 45 · 90s

    How much time and money do users in your target market waste before switching to you?

  46. 46 · 90s

    What are some trends in your target market and related markets?

  47. 47 · 90s

    Why isn't someone already doing this?

  48. 48 · 90s

    What are the key things about your field that outsiders don't understand?

  49. 49 · 90s

    What do you understand that others don't?

  50. 50 · 90s

    What is your unfair advantage?

  51. 51 · 90s

    Won't a big company just launch this as a feature and kill you?

  52. 52 · 90s

    What is stopping other people or large companies from copying you?

  53. 53 · 90s

    How do you get users?

  54. 54 · 90s

    Who is going to be your first paying customer?

  55. 55 · 90s

    How do users know they need this?

  56. 56 · 90s

    How will users find out about you?

  57. 57 · 90s

    What makes new users try you?

  58. 58 · 120s

    What makes new users reluctant to try you, and how will you overcome that?

  59. 59 · 90s

    Where do new users come from?

  60. 60 · 90s

    What is your distribution strategy?

  61. 61 · 90s

    How are you meeting customers and understanding their needs?

  62. 62 · 90s

    What has surprised you about user behavior?

  63. 63 · 90s

    What do you understand about your users?

  64. 64 · 90s

    Who gets the most value out of your product?

  65. 65 · 90s

    How do you plan to scale user growth?

  66. 66 · 90s

    How will you make money?

  67. 67 · 90s

    How much money could you make per year?

  68. 68 · 120s

    How does this become a billion-dollar company?

  69. 69 · 90s

    If your startup succeeds, what additional areas might you expand into?

  70. 70 · 90s

    How big an opportunity is there?

  71. 71 · 90s

    What is the long-term vision for the company?

  72. 72 · 90s

    Why will you succeed?

  73. 73 · 60s

    Are you open to changing your idea?

  74. 74 · 90s

    If your main assumption is wrong, what then?

  75. 75 · 90s

    What milestones or revenue targets do you have for the next few years?

  76. 76 · 90s

    Why did you choose this idea?

  77. 77 · 90s

    Why are you uniquely qualified to work on this?

  78. 78 · 90s

    What domain expertise do you have?

  79. 79 · 90s

    Why do you want to dedicate your life to working on this?

  80. 80 · 90s

    Why did your team get together?

  81. 81 · 60s

    How did your team meet?

  82. 82 · 90s

    Who in your team does what?

  83. 83 · 60s

    Who is "the boss"?

  84. 84 · 90s

    How do we know your team will stick together?

  85. 85 · 60s

    Who would be your next hire?

  86. 86 · 90s

    What else have you created together?

  87. 87 · 60s

    How have you divided equity among the founders?

  88. 88 · 90s

    How do you handle disagreements within the founding team?

  89. 89 · 90s

    Have you considered what happens if one founder wants to leave?

  90. 90 · 90s

    In what ways are you resourceful?

  91. 91 · 90s

    What's an impressive thing you have done?

  92. 92 · 90s

    Tell us something surprising that has happened.

  93. 93 · 90s

    What's the biggest mistake you have made?

  94. 94 · 90s

    What's the worst thing that has happened?

  95. 95 · 90s

    What have you learned so far from working on this idea?

  96. 96 · 120s

    What obstacles will you face and how will you overcome them?

  97. 97 · 90s

    What keeps you up at night?

  98. 98 · 90s

    Six months from now, what's going to be your biggest problem?

  99. 99 · 120s

    Tell us about a tough problem you solved.

  100. 100 · 90s

    What systems have you hacked?

  101. 101 · 60s

    What's the funniest thing that has happened to you?

  102. 102 · 90s

    What will you do if we don't fund you?

  103. 103 · 60s

    Would you relocate to Silicon Valley?

  104. 104 · 60s

    Will you reincorporate as a US company?

  105. 105 · 90s

    What is the biggest reason you might fail?

  106. 106 · 90s

    Someone just showed us an idea like this right before you. I don't like it. What else do you have?

  107. 107 · 90s

    Why do you want to join YC?

  108. 108 · 90s

    What do you want to get out of Y Combinator?

  109. 109 · 90s

    Have you applied to YC before? If so, what has changed since then?

  110. 110 · 90s

    What will you do with the money YC invests?

Walk in ready, not rereading

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