1,23,45,67...

89

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priyanka

  • Nov 14th, 2006
 

1,23,45,67...

is a simple series, of (20 * 0) + 1,(20 * 1)+3, (20 *2) + 5, (20 * 3)+7, and finally 20*4 + 9, which is 89.....

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