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[Post New]11 Nov 2006 10:16:29 IST
    Subject: permutation and combination
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ruhi (603)

Blazing goIITian

Olaaa!! Perrrfect answer. 101  [150 rates]
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total posts: 530    
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hi
plzzzzz explain how to do this question
"how many 4 letter words can be formed using the letters of the word "INEFFECTIVE"? ''
plzzzzzzzz i need urgent reply
ruhi
    
 

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