Pairwise comparisons and matrix-style traversal — IITM BS previous year questions

Pairwise comparisons and matrix-style traversal is part of Nested Loops, Week 5 in Programming in Python. 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.