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**jacks****Guest**

Total no. of natural no. from 1 to 1000 in which non of their digits is repeated

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 87,247

Hi jacks;

I am getting 738 as the answer.

**In mathematics, you don't understand things. You just get used to them.Of course that result can be rigorously obtained, but who cares?Combinatorics is Algebra and Algebra is Combinatorics.**

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