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Maths Puzzle
In how many ways can you divide 28 persons into three groups having 4, 12 and 12 persons?
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Book Other Question
In how how many ways can you divide a group of 12 people into 2 groups of 3 people and 3 groups of 2 people?
In how many ways can 12 people be divided into 3 groups of 4 persons(in each group)