Jane Street–styleTraderTraderQuestion #349

You roll a fair six-sided die. If you roll an even number, for every $2 you bet, you win $3. If you roll an odd number, for every $4 you bet, you win $6. What is your expected return, and how should you bet?

Build Your Approach

State the assumptions, try a simple case, then work toward a general solution. Check the result and explain how it changes if an assumption changes.

Try the free diagnostic with worked solutions →

Get Free Interview Prep Resources

Practice the Reasoning Behind the Answer

Bring your target roles and interview timeline to a free quant consult. Discuss your preparation priorities and how Quant Blueprint’s lessons, practice and mock interviews can help.

Book a Free Quant Consult

Your goals · your preparation · your next steps