Points of non-differentiability - corners, cusps, vertical tangents — IITM BS previous year questions

Points of non-differentiability - corners, cusps, vertical tangents is part of Differentiability and the Derivative, Week 8 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.