Technical Screen

HackerRank OA With a Circle-Geometry Question, Then a Coin-Flip Expectation Puzzle

Point72Data Scientist · Technical Screen · Oct 2025

OA 60-minute HackerRank test, 4 questions. Same format as most experience posts here — except question 3 was SQL, and for the other questions you could choose Python or R. But I'm pretty sure most people here just use Python. Date transformation Arbitrary shopping (there was an image attached) SQL question (pretty easy) Given the center and radius of two circles, write a function to determine the…

Shared by a candidate · reported Oct 2025. Interview formats change; use it as a guide, not a script.