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Twelve students are to be split into 3 study groups of 4 each, the groups having no names. In how many ways can this be done?

Competition practicePermutations & Combinations
  • A34650
  • B5775
  • C1925
  • D495

Step-by-Step Solution

Labelled groups: . The 3 groups are unnamed, so divide by .
Answer: B) 5775

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