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![[Post New]](/templates/default/images/icon_minipost_new.gif) 1 Mar 2007 17:26:49 IST
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rik_mad has done a great job.
If we multiply any number by 6 then at most its last three digits are altered.
Hence 6[(abc)103 + def] = [(def)103 + abc]
=> 857(abc) = 142(def)
Hence abc = 142 and def = 857
Hence the orignal no. = 142857
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Bipin Kumar Dubey
Chemical Dept.
IIT Kharagpur
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this reply: 5 points
(with 1 
in 1 votes ) [?]
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