Solving for the kernel using homogeneous equations — IITM BS previous year questions

Solving for the kernel using homogeneous equations is part of Kernel of a Linear Transformation, Week 6 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.