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Write the Number of Ways in Which 7 Men and 7 Women Can Sit on a Round Table Such that No Two Women Sit Together ? - Mathematics

Write the number of ways in which 7 men and 7 women can sit on a round table such that no two women sit together ?

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Solution


Each of the seven men can be arranged amongst themselves in 7! ways.
The women can be arranged amongst themselves in seven places, in 6! ways (i.e. nthings can be arranged in (n-1)! ways around a round table).
By fundamental principle of counting, total number of ways = 7! x 6!

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APPEARS IN

RD Sharma Class 11 Mathematics Textbook
Chapter 16 Permutations
Q 6 | Page 45
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