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[Post New]5 Feb 2008 13:17:07 IST
    Subject: Solutions
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agnit_thebest (223)

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Olaaa!! Perrrfect answer. 39  [53 rates]
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nb/(na+nb) =????

nb/(na*122)=0.2
=> nb/na = 0.2 * 122 = 24.4

Therefore, (na+nb)/nb = (na/nb) +1 = 24.4+1 =25.4

Therefore, nb/(na+nb)=1/25.4 = 0.039
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