Rank-nullity relation: rank(A) + nullity(A) = number of columns — IITM BS previous year questions

Rank-nullity relation: rank(A) + nullity(A) = number of columns is part of Rank-Nullity for Matrices, 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.