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![[Post New]](/templates/default/images/icon_minipost_new.gif) 1 Feb 2008 08:29:46 IST
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for second qs...
i think u can arrange gals first...
- G - G - G - G -
u can arrange gals in 4! ways (4 gals , 4 positions)
now 5 places are left....
arrange boys in that....
5P3 ways...
so ans is 4! * 5P3
or u can arrange boys first
- b - b - b -
3! ways of arranging boys.....
4 places and 4 gals...so u can arrange them in 4! ways
ans - 4! * 3!
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I always like to walk in rain as no one can see me crying there :(
frnds are like diamonds , if u hit them , they don't break but they slip frm ur hands
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*****wen love and skill work together--expect a masterpiece*****
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this reply: 7 points
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