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Consider the set


S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 23, 24, 25 ... 123456789}


which consists of all positive integers whose digits strictly increase from left to right. This set is finite. What is the median of the set?

 Nov 15, 2020
 #1
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123456789/2 + 0.5

 Nov 15, 2020
 #2
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There are 511 terms in your finite set. The "median" number is the 256th term: [12345] .

 Nov 15, 2020
edited by Guest  Nov 15, 2020

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