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Three married couples sit at a round table so that every husband sits next to his wife. How many seatings are possible?

Competition practicePermutations & Combinations
  • A48
  • B12
  • C96
  • D16

Step-by-Step Solution

Treat each couple as a block: 3 blocks round a table in ways. Each couple can sit in 2 orders: .
Answer: D) 16

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