Five members were present at a board meeting. Each member shook hands with all of the other members before the meeting. How many handshakes took place?
Created: 6 years ago |
Updated: 3 years ago
best des
আমরা জানি,
n সংখ্যক লোক যদি পরস্পরের সাথে handshake করে তাহলে handshake এর সংখ্যা হয় = n(n - 1)2
মোট 5 জন লোজ হলে এর সংখ্যা হবে = n(n - 1)2 = 5(5 - 1)2 = 10
Md Azizur Rahman
Founder of Satt
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