Elliott19 Elliott19

14-05-2020
Mathematics

contestada

There are 110 people at a meeting. They each shake hands with everyone else. How many handshakes were there?

A) Permutation

B) Combination

C) Circular permutation

Respuesta :

salatulmaghrib salatulmaghrib

14-05-2020

Each of them shakes hands with 109 others.
109*110 = 11990 handshakes were done.

Answer Link

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