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JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

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

Answer: 7

Solution

Pair the men with women partners: ways. The remaining women

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Question ID VK-020709