Limit of f(x, y) as (x, y) approaches a point — IITM BS previous year questions

Limit of f(x, y) as (x, y) approaches a point is part of Limits for Scalar-Valued Multivariable Functions, Week 9 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.