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![[Post New]](/templates/default/images/icon_minipost_new.gif) 10 Feb 2008 08:34:14 IST
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Last digit will be 1,3,7,9 if all the nos. are odd and none are divisible by 5.
Last digit will be 5 if all the nos. are odd and atleast one is 5.
Last digit will be 2,4,6,8 if all the nos. are even and none are divisible by 5.
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