Question

every two persons shakes hands with each other in a party and the total number of hand shakes is 66. the number of quests in the party is

Answer 1

Answer:

33 persons

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Answer 2

Answer:

Step-by-step At a party, everyone shook hands with everybody else. There were 66 handshakes. How many people were at the party? -11 is ruled out so the answer is 12 persons

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