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Title: pnc
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Posted On: Mar 24, 2011 02:40 AM
 

in how many ways can6 boys and 4 girls sit in s row so thst no boy is between 2 girls?

 

   
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somy chaturvedi
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Mar 24, 2011 06:40 AM

Since no boy should be there in between any 2 girls, consider the 4 girls as one unit.

HEnce total no of units=6+1=7

Now they Can be arranged in 7! ways and the girls can be arranged in 4! ways, the total no of arrangements is

7!*4!


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