Aptitude | Alligation & Mixture | Example 16 on Alligation and Mixtures | Ravindrababu Ravula

Whole-channel inclusion: Prof. Ravindrababu Ravula is an honest teaching channel (title sample + 3 transcripts read: The two transcribed videos are clear structured technical lectures/worked examples consistent with the channel's teaching focus.); this title passed a strict title check (sonnet) after a labelling pass.