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Maths Puzzle
In how many ways can 12 people be divided into 3 groups of 4 persons(in each group)
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Book Other Question
In how many ways can you divide 28 persons into three groups having 4, 12 and 12 persons?
If each permutation of the digits 1,2,3,4,5,6 are listed in the increasing order of magnitude, then 289th term will be