Divisible by nine digits
I found this one on the pzzls.com site
Find a number consisting of 9 digits in which each of the digits from 1 to 9 appears exactly once. This number should satisfy the following requirements:
- The number should be divisible by 9.
- If the most right digit is removed, the remaining number should be divisible by 8.
- If then again the most right digit is removed, the remaining number should be divisible by 7.
- etc. until the last remaining number of one digit which should be divisible by 1.
pzzls - nice site with a good variety of math and logic puzzles, as well as some others.