Nullity as the dimension of N(A) — IITM BS previous year questions

Nullity as the dimension of N(A) is part of Null Space - Basis and Nullity, Week 5 in Mathematics 2. 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.