SOLUTION: 1.There is a group of 6 girls who are going to be seated in a row in 6 chairs for a photograph 2 of these girls do not want to sit together. In how many ways can the photograph can

Question 388597: 1.There is a group of 6 girls who are going to be seated in a row in 6 chairs for a photograph 2 of these girls do not want to sit together. In how many ways can the photograph can be taken.
Answer by sudhanshu_kmr(1152) (Show Source): You can put this solution on YOUR website!

Total no. of ways to sit 6 girls (without restriction) = 6P6 = 6!

no. of ways to sits 6 girls when 2 are together = 5P5 * 2! = 5! * 2!

now, no. of ways when 2 are not together = 6! - 5!*2! = 480
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