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Binomial Pandigital(s) (Posted on 2009-04-28) Difficulty: 2 of 5
Determine all possible pair(s) (M, X) of positive integers, with M - 1 > X > 1, such that the decimal representation of MCX consists of non leading zeroes and contains each of the digits 0 to 9 exactly once.

Note: MCX is the number of X-element subsets (the X-combinations) of an M-element set, that is the number of ways that X things can be 'chosen' from a set of M things.

See The Solution Submitted by K Sengupta    
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  Subject Author Date
thoughtsJer2009-04-29 13:35:09
Solutioncomputer solution in basicCharlie2009-04-28 12:28:47
Computer SolutionDaniel2009-04-28 11:43:59
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