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There are 3 men and 7 women taking a dance class. If N is number of different ways in which each man be paired with a woman partner, and the four remaining women be paired into two pairs each of two, then the value of N90 is

Answer» There are 3 men and 7 women taking a dance class. If N is number of different ways in which each man be paired with a woman partner, and the four remaining women be paired into two pairs each of two, then the value of N90 is


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