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This question already has an answer here:

Please arrange the ten digits 0,...,9 in a sequence abcdefghij, such that:

Each digit appears once and only once.

The number 'a' is a multiple of 1

The number 'ab' is a multiple of 2

The number 'abc' is a multiple of 3

...etc...

The number 'abcdefghij' is a multiple of 10.

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marked as duplicate by Jaap Scherphuis, Community Aug 7 '18 at 15:05

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