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![[Post New]](/templates/default/images/icon_minipost_new.gif) 27 Jan 2008 22:44:53 IST
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consider this way
1111(4 1's) divided by 270 Rem = 270
11111(5 1's) Rem = 0
111111(6 1's ) Rem= 1
(7 1's) Rem = 11
for 8 Rem = 111
for 9 Rem = 1111
for10Rem = 0
so similarly ....
for 15 Rem = 0
for 20 Rem = 0
.....
for 1110 Rem =0
so by pattern for 1111 Rem =1
that is 1111......(1111 times)
divided by 271 leaves 1 as remainder
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this reply: 5 points
(with 1 
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