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What 5-digit number has the following property?

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What 5-digit number has the following property? If we put numeral 1 in front of the number, we get a number three times smaller, than if we put the numeral 1 behind this number.

posted Aug 7, 2014 by Rajneesh

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2 Answers

+1 vote
Best answer

Lets Assume number is a then
10a+1 = 3(100000+a)

or 7a = 299999
a = 42857

So number is 42857

answer Aug 7, 2014 by Salil Agrawal
0 votes

42857 As going digit by digit we could achieve the number

answer Aug 7, 2014 by Double S

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