Modeling multi-bend data curves using higher-degree polynomial equations — IITM BS previous year questions

Modeling multi-bend data curves using higher-degree polynomial equations is part of Polynomial Creation and Fitting, Week 4 in Mathematics 1. 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.