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Divisible by 11,111 (Posted on 2008-10-02) Difficulty: 2 of 5
How many positive 10-digit integers of the form ABCDEFGHIJ, with non leading zeroes and each letter representing a different base 10 digit from 0 to 9, are divisible by 11,111 ?

Note : Try to solve this problem analytically, although computer program/ spreadsheet solutions are welcome.

See The Solution Submitted by K Sengupta    
Rating: 2.6667 (3 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
winnoweded bottemiller2008-10-02 17:59:41
Solutionperl(computer) solutionPete2008-10-02 13:25:08
re: Trivial SolutionCharlie2008-10-02 12:48:37
Trivial Solutioned bottemiller2008-10-02 12:41:09
Solutioncomputer solution (spoiler)Charlie2008-10-02 12:40:46
SolutionanswerDej Mar2008-10-02 11:30:48
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