Decomposition into parallel and perpendicular components — IITM BS previous year questions

Decomposition into parallel and perpendicular components is part of Projections Using Inner Products, Week 8 in Mathematics 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.