If 10 person shake their hands with each other , then total number of handshakes are --

Created: 6 years ago | Updated: 1 year ago

Updated: 1 year ago

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Bangladesh Bank Bangladesh Bank - Assistant Director - 2015 English The Number-Correction

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 ১ম ব্যক্তি অবশিষ্ট 9 জনের সাথে handshake করে
    ২য়   ,,     ,,    8   ,,    ,,        ,,        ,,	
    ৩য়   ,,     ,,    7    ,,      ,,          ,,           ,,
⸫ Total Handshake  =    $\frac{n (n - 1)}{2} = \frac{10 (10 - 1)}{2} = 45$

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If 10 person shake their hands with each other , then total number of handshakes are --

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