Re: Discussion Problem_ (4)

Posted by duck on Apr 11, 2013; 4:10pm
URL: http://discussion-forum.276.s1.nabble.com/Discussion-Problem-4-tp7580016p7580034.html

There are 7! ways in which boys can be arranged. Now, we have 8 places in which we can arrange 3 girls (since we want no two girls to sit together).So, girls can be arranged in 8*7*6 ways or [(8!/5!) ways] .
Therefore, total number of ways = 7!*8*7*6

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