Free Practice Question
PS · Problem Solving
705-805
Combinations
Chris and his wife invited a total of ten families on their marriage anniversary. While the host family had just the two members, each family invited consisted of four members. If every person in the party shook hands exactly once with every other person belonging to a different family, then find the total number of handshakes that took place in the party.
Answer Choices
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729
B
800
C
801
D
850
E
851
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Explanation
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Difficulty
705-805
Type
PS
Category