Skip to main content
All Questions

Bail costs $500 and you pay with $100 bills from a bag in which half are fake. Each fake returns everything paid so far and you start again. How many bills do you expect to draw?

Unlock detailed company stats for this questionUpgrade

Community answers

No answers contributed by the community yet.

Related questions

A bag holds 2 red and 2 black balls. Each step you draw two and repaint the second to match the first. How many steps do you expect until all four are the same colour?

Related courses

Course

SQL Interview Prep Course

Prepare for SQL interviews with lessons on joins, aggregations, and window functions, then practice real SQL interview questions in an interactive editor with expert solutions.

Course

Data Science Interview Prep

Land your dream data science role at Google, Amazon, Microsoft, Meta, Apple, and other top companies. Learn from mock interviews, frameworks, and advice from senior candidates. Practice statistics, experimentation, coding, SQL, machine learning, behavioral interviews, and more.