There are 3 boys & 4 girls. How many ways they are arranged such that boys should be always together?

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seshagiri

  • Nov 26th, 2005
 

ans: 4!4!

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pragati

  • Jun 21st, 2006
 

ans :5!*3!(surely)

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amit

  • Sep 27th, 2006
 

ya its 5! * 3!

the reason is

(bbb) gggg == no of ways to arrange 3 boyz is 3! and assume (bbb) as one gp and 4 for gggg. so no of way to arrange 5 is 5!.

thanks 

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