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Three boys and three girls stand in a row with a girl at each end. How many arrangements are possible?

Competition practicePermutations & Combinations
  • A720
  • B36
  • C144
  • D288

Step-by-Step Solution

Ends: 2 of the 3 girls in order, . Middle 4 places: the remaining 4 children, .
Answer: C) 144

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