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Positive Integer, Odd Digits, Divisibility (Posted on 2013-05-12) Difficulty: 4 of 5
Prove that for each positive integer n, there exists an n-digit number having only odd digits and divisible by 5^n

No Solution Yet Submitted by Danish Ahmed Khan    
Rating: 3.6667 (3 votes)

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Trials | Comment 2 of 5 |
  • n,5^n, n digit number
  • 1,5,5
  • 2,25,75
  • 3,125,375
  • 4,625,9375
  • 5,3125,59375
  • 6,15625,359375 .....

It is following some kind of sequence I believe. 

 


  Posted by Salil on 2013-05-13 04:08:01
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