Jane Street

Interview Question

Quantitative Trader Interview

Jane Street

If you have x coins, into how many stacks, and with how many coins per stack, should you divide them in order to maximize the product of the stack sizes?

Unlock the Full Solution

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

Insights on 100+ quant firms, understand where to apply, and maximize your chances.

Get the official 2025 QB Quant Firm Tier List

Check your email inbox — you should get the interview in 1-2 minutes!