Longest Path, Transitive Closure, and Matrix Multiplication — IITM BS previous year questions

Longest Path, Transitive Closure, and Matrix Multiplication is part of Week 11 in Mathematics 1. Prasnya files every IIT Madras BS previous year question from this topic here, split across 2 subtopics, each one with a worked explanation. Take the whole set as a timed mock and you get accuracy, pacing and per-question analysis back.