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![[Post New]](/templates/default/images/icon_minipost_new.gif) 16 May 2008 18:41:48 IST
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The given thing is similar to no.of ways of selecting i elements from a 10 element set and (m-i) elements from 20 element set.That is,Selecting m elements from 30 elements set.So,the sum is equal to 30cm which is max. iff m=15
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MAKING A MISTAKE IS HUMAN BUT REPEATING IT IS IDIOTIC. |
this reply: 12 points
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