Why mobile numbers starts with 9,8,7,6? | Tamil | LMES

Registration link for workshop https://chitti.app/electronics-kit-1o... It’s not just a random choice – there’s solid mathematics behind it! In this video, I break down the logic and number theory that decide why we use exactly 10 digits for phone numbers, and not 9 or 11. 📱✨ From combinations and permutations to population size and unique identifiers, you’ll see how math ensures every person gets a unique number without wasting digits. 📌 Watch till the end to understand how your phone number is a clever balance of math and practicality. #MathExplained #MobileNumber #MathInEverydayLife #NumberTheory #PhoneNumberFacts ------------------------------------------------------------------------ Help LMES to Produce more videos: http://lmes.in/donate-us.php For queries: [email protected] Help underprivileged students to complete their college education, Support at https://lmesfoundation.com​ ------------------------------------------------------------------------ This channel aims to simplify your understanding of seemingly complex Science/Maths/Engineering/Technology concepts through practical, day-to-day applications. All our contents are in Tamil language. Our mission is to provide world-class content that makes learning STEM, simple & Fun. Follow us on, Facebook page:   / lmesacademy   Instagram: https://www.instagram.com/lmesacademy... Whatsapp Channel: https://whatsapp.com/channel/0029VaKc... Telegram Channel: https://t.me/lmesacademy Twitter:   / lmes_academy