📕 FREE Guide2025 Quant Firm Tier List

Jane Street Interview Question

Jane StreetTrader Interview

What is the fair price of a game in which you shuffle 9 cards labeled 1 through 9 then keep choosing whether to open the next card or stop given that you will receive the sum of the last decreasing sequence?

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