Rapid Fire: Difference of Squares - Quant Trader Interview Question
Difficulty: Medium
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: mental-math, arithmetic, algebra, interview-prep, trading-floor
Problem Description
During a high-pressure mental math screen for a Quantitative Researcher role, you are asked to compute the product of two numbers that are equidistant from a "friendly" integer. Speed is critical; brute-force multiplication is too slow.
Calculate the result:
$$26 \times 24$$
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