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The number of ways in which six boys and six girls can be seated in a row for a photograph so that no two girls sit together is ?

Correct Answer: 6! x ⁷P₆

Explanation:

We can initially arrange the six boys in 6! ways.
Having done this, now three are seven places and six girls to be arranged. This can be done in ⁷P₆ ways.


Hence required number of ways = 6! x ⁷P₆


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