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1990 AMC 12 Question 16

AMC12 · 1990 AMC 12

Question 16

At one of George Washington’s parties, each man shook hands with everyone except his spouse, and no handshakes took place between women. If $13$ married couples attended, how many handshakes were there among these $26$ people?
  1. $78$
  2. $185$
  3. $234$
  4. $312$
  5. $325$