perplexus.info :: Numbers : All Combos 3

All Combos 3 (Posted on 2024-05-14)

A positive integer N contains each 2-digit combination exactly once:
00, 01, ..., 99.

(A) What is the smallest number of digits N could have?
(B) What is the largest number of digits N could have?
(C) What is the smallest possible value of N?
(D) What is the largest possible value of N?

(no leading zeros)

No Solution Yet Submitted by Larry

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Subject	Author	Date
re(3): Parts A and B (spoiler) & small example	Larry	2024-05-16 22:30:46
re(2): Parts A and B (spoiler) & small example	Jer	2024-05-16 11:51:25
re: Parts A and B (spoiler) & small example	Larry	2024-05-15 09:39:40
Parts A and B (spoiler)	Steve Herman	2024-05-15 06:32:51
Puzzle Thoughts to Part A	K Sengupta	2024-05-15 02:24:22

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