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Ask community Community Discussion Question: out of 21 tickets marked with numbers from 1 to 21, three are drawn at random.The chance that the n
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[Post New] 4 Jul 2009 16:21:41 IST
   Subject: out of 21 tickets marked with numbers from 1 to 21, three are drawn at random.The chance that t
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varsha karandikar (7)

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out of 21 tickets marked with numbers from 1 to 21, three are drawn at random.The chance that the numbers on them are in A.P.:
    

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[Post New] 4 Jul 2009 21:19:36 IST
   Subject: out of 21 tickets marked with numbers from 1 to 21, three are drawn at random.The chance that t
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RyuAmakusa (1188)

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Olaaa!! Perrrfect answer. 196  [300 rates]
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check the following link there i have done this for 1 to 20 now it is 21 thats all..........

http://www.goiit.com/posts/list/algebra-three-different-percentage-discounts-are-offered-by-936028.htm#1017599

i u r not able to get......................i'll do it again..........
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