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Mathematics, 21.05.2021 17:50 fy1lqjh

12. How many handshakes occur when a group of 12 people shake hands exactly once with every other person at a party?
A)36
B)132
C)144
D)66
E)120

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12. How many handshakes occur when a group of 12 people shake hands exactly once with every other p...

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