There are 3 men and 7 women taking a dance class. If 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 is |

There are 3 men and 7 women taking a dance class. If 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 is |

1 Answer

127 votes

3 women can be selected in ways and can be paired with 3 men in 3! ways Remaining 4 women can be grouped into two couples in Total Then the value of N/90 is 7 |

127 votes

127