Var(aX + b) = a²·Var(X) — IITM BS previous year questions

Var(aX + b) = a²·Var(X) is part of Variance and Standard Deviation (L10.3 - L10.4), Week 10 in Statistics 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.