Posterior mean as an estimator under squared-error loss — IITM BS previous year questions

Posterior mean as an estimator under squared-error loss is part of Bayesian Estimators, Week 9 in Statistics 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.