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1 June, 09:41

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

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  1. 1 June, 09:46
    0
    Each of them shakes hands with 109 others.

    109*110 = 11990 handshakes were done.
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