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Mathematics, 11.04.2020 04:25 hectorgonzalejr333

A group is having a business meeting with 11 people and everyone wants to shake each others hand before they leave the meeting How many handshakes are possible in a group of 11 people?
A. 55
B. 100
C. 110
D. 121

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A group is having a business meeting with 11 people and everyone wants to shake each others hand bef...

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