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Hudson River Trading Quantitative Analyst Interview Questions

The questions to prepare for a Hudson River Trading Quantitative Analyst interview. Questions from real interview reports rank first. Updated daily.

50questions
~7htotal time
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1
CodingStart here. 19 questions · ~157 min
Tree Preorder MergeMedium

Tests tree traversal and merging logic on non-binary structures.

Data StructuresHHudson River Trading
Reversi on N x N BoardHard

Tests simulation of game rules and state transitions on a grid.

HHudson River Trading
Generic Map Template ClassHard

Assesses C++ template design, overloading, and handling empty cases.

c++HHudson River Trading
Count Fancy Numbers in Base 4Medium

Evaluates combinatorics and digit-DP style counting logic in base 4.

HHudson River Trading
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2
Statistics & Probability24 questions · ~198 min
Conditional Probability From Same BowlMedium

Evaluates conditional probability reasoning with Bayesian updates.

probabilityHHudson River Trading
Expected Inversions in a PermutationHard

Evaluates combinatorics and expectation calculation for permutation statistics.

HHudson River Trading
Dice and Coin Sum ProbabilitiesHard

Assesses probability modeling of sums of independent random variables.

probabilityHHudson River Trading
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3
Behavioral & Leadership7 questions · ~58 min
Most Important ProjectMedium

Assesses impact, ownership, and communication of a key project.

project experienceHHudson River Trading
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