You have 2 identical plates which break when thrown higher than a specific number of stories. You are in a 100 story building. What is the least number of tries you must do to determine the story number after which the plates are broken when thrown off the building?
Questions d'entretien [1]
Question 1
If there are N points on a circle, and you draw a chord between each of them, how many regions is the circle subdivided into?
J'ai passé un entretien chez Jane Street (Londres, Angleterre) en janv. 2026
Entretien
einen runden spiele am Vormittag und dann programmieren am nachmittag.
Biem spiele hat man parallel wetten sollen, also ein buy and sell zwishudn ein sechseiiger Würfel und sowas. oder karten wetten auf das die karte rot ist und zwischen 5-9 was zahlst du für diesen output und so. anrfang rechnen danach abschärtzen udn Ergebnisse interpretieren
Overall, it was a pleasant interview experience. I answered a few personal questions and encountered one that was slightly confusing, but the interviewer was friendly, and the conversation flowed well overall
Probability questions, nothing crazy but quite open ended, they want to know your thought process and calculations. Pen and paper allowed but no calculator. No OA, a few rounds and got rejected. Zoom call with a trader.
