Why mobile numbers starts with 9,8,7,6? | Tamil | LMES
Автор: Let's Make Education Simple
Загружено: 2025-08-08
Просмотров: 74006
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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
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