Resources
Free tools to help you prepare for Y Combinator, built from what accepted founders actually wrote and said.
50 questions
Guide
YC Interview Prep Kit: 50 Questions and Real Answers
The 50 questions YC partners ask most, with real answers from YC companies like Dropbox, GitLab and Mixpanel, a worked example for every question, and the do's and don'ts.
10:00 mock interview
Tool
10-Minute Mock YC Interview
Practice under real pressure: a 10-minute clock, rapid-fire questions every 40 seconds, and a review of your answers at the end.