Contrast clauses using although, though, even though, whereas, and while — IITM BS previous year questions

Contrast clauses using although, though, even though, whereas, and while is part of Adverbial Clauses and Meaning Relations, Week 2 in English 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.