Quant, Math & Computer Science Puzzles for Interview Preparation & Brain Teasing A collection of ~225 Puzzles with Solutions (classified by difficulty and topic) Problem: A mad robot sets off towards the North East on a journey from the point (0,0) in a coordinate system. It travels in stages by moving forward and then rotating on the spot. It follows these pseudo-code instructions: SUB JOURNEY DISTANCE = 1000 Problem / Observation: The friendship paradox is the phenomenon first observed by the sociologist Scott L. Feld in 1991 that most people have fewer friends than their friends have,
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