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#1 2017-10-28 15:38:13

Animesh
Guest

Fraction

'n' is a positive  integer such that (n/810) =
0.d25d25d25 .......... where 'd' is a single digit . Find n

#2 2017-10-29 01:00:12

alter ego
Member
Registered: 2012-03-30
Posts: 19

Re: Fraction

Hi Animesh,

Write 1000n/810 = d25.d25d25d.......

Subtracting gives 999n/810 = d25

This will greatly simplify and you'll find only one value of d is possible.  The value of n follows easily from this

Alter

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