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प्रश्न
Write the number of ways in which 6 men and 5 women can dine at a round table if no two women sit together ?
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उत्तर
Each of the six men can be arranged amongst themselves in 6! ways.
The five women can be arranged amongst themselves in the six places in 5! ways.
∴ By fundamental principle of counting, total number of ways = 6! x 5!
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