📕 FREE Guide2025 Quant Firm Tier List

Jane Street Interview Question

Jane StreetAssistant Trader Interview

I have 100 green marbles and 100 red marbles and I can divide them up however I want between 2 bags. There has to be 1 marble in each bag, other than that no restrictions. You do not know how I divide them up or which bag you are getting. If you pick a green marble I pay you 100 dollars, If you pick a red, I pay nothing. What is a fair price for this game?

Unlock the Full Solution

Enter your email to get instant access to the complete solution, explanation, and similar practice problems.

Want to ace more quant interviews?

Get access to our comprehensive interview preparation course with hundreds of real interview questions, detailed solutions, and personalized mentorship from quants at top firms.

Start Your Prep Today