Posterior update by adding successes and failures to prior parameters — IITM BS previous year questions

Posterior update by adding successes and failures to prior parameters is part of Beta-Binomial / Bernoulli Models, 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.