Tracing iterator values step by step — IITM BS previous year questions

Tracing iterator values step by step is part of Iterators - Stepping Through a Sequence, Week 1 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.