Stem-and-leaf plot - retaining individual data values — IITM BS previous year questions

Stem-and-leaf plot - retaining individual data values is part of Frequency Tables for Numerical Data (L3.1), Week 3 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.