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July 1st, 2015, 07:00 AM  #1 
Newbie Joined: May 2015 From: INDIA Posts: 28 Thanks: 1  permutation and combinations advance
let n be the numbers of ways in which 5 boys and 5 girls could stand such that all the girls stand consecutively. let m be the way in which 5 boys and 5 girls could stand such that exactly 4 girls stands consecutively. then the ratio n/m will be. please solve it describing all the steps. 
July 1st, 2015, 09:06 AM  #2 
Senior Member Joined: May 2008 Posts: 299 Thanks: 81  Beer soaked ramblings follow. What have you done so far? 
July 1st, 2015, 09:33 AM  #3 
Newbie Joined: May 2015 From: INDIA Posts: 28 Thanks: 1 
Dear jonah, that's not the answer of my question. Please try to solve it if you can.
Last edited by skipjack; July 1st, 2015 at 10:35 PM. 

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