Tangent line to a level curve — IITM BS previous year questions

Tangent line to a level curve is part of Tangents for Scalar-Valued Multivariable Functions, Week 10 in Mathematics 2. 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.