The Discriminant (D = b^2 - 4ac) and classifying the Nature of Roots (Real, Distinct, Equal, Complex) — IITM BS previous year questions

The Discriminant (D = b^2 - 4ac) and classifying the Nature of Roots (Real, Distinct, Equal, Complex) is part of Roots of Quadratic Equations, Week 3 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.