Null hypothesis H0 and alternative hypothesis H1/Ha — IITM BS previous year questions

Null hypothesis H0 and alternative hypothesis H1/Ha is part of Hypothesis Testing Setup, Week 10 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.