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Citadel Securities Interview Question

Citadel SecuritiesQuantitative Trader Interview

Put the numbers 1 through 5 around a circle. What is the expected number of numbers that are smaller than both its neighbors?

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Disclaimer: We are not affiliated with Citadel Securities in any way. This question is sourced from interviewees and public sources and may not be accurate or reflective of the company's actual interview process.