Independent two-sample t-test with equal or unequal variance assumptions — IITM BS previous year questions

Independent two-sample t-test with equal or unequal variance assumptions is part of Two-Sample Tests for Means, Week 11 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.