Semi-fixed idioms - allow some variation (kick the bucket / kick a bucket) — IITM BS previous year questions

Semi-fixed idioms - allow some variation (kick the bucket / kick a bucket) is part of Phrases vs Idioms - Usage in Real Contexts, Week 3 in English 1. 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.