1,000+ quant interview questions for Jane Street, Citadel, Two Sigma, DE Shaw, and other top quantitative finance firms.
Statistical analysis and quantitative modeling problems
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Difficulty: Hard
Category: Mental Math & Estimation
Practice quant interview questions from top firms including Jane Street, Citadel, Two Sigma, DE Shaw, and other leading quantitative finance companies.
Topics: fermi-problems, estimation, market-sizing, supply-and-demand, systems-thinking
You are interviewing for a Quantitative Analyst position at a macro hedge fund. The interviewer asks you to estimate the market size for a niche service in a specific geography to test your ability to construct a logical pricing chain using only fundamental variables. The Question: Estimate the number of full-time piano tuners currently operating in New York City. Assumptions: Population of NYC $\approx 8,500,000$. Average household size $\approx 2.5$ people. Workable days per year $\approx 2
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