Path of length 2 - entries of A² — IITM BS previous year questions

Path of length 2 - entries of A² is part of Adjacency Matrix - Operations, Week 8 in Computational Thinking. 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.