Union (A U B), intersection (A n B), difference (A - B), complement (A') — IITM BS previous year questions

Union (A U B), intersection (A n B), difference (A - B), complement (A') is part of Sets and Set Operations, Week 1 in Mathematics 1. Prasnya files every IIT Madras BS previous year question from this subtopic here, each one with a worked explanation. Take the whole set as a timed mock and you get accuracy, pacing and per-question analysis back.