perplexus.info :: Numbers : Ascending numbers!

Ascending numbers! (Posted on 2003-05-25)

Let's call n an ascending number, if it has the following 2 properties:

- The number n has at least 2 digits.
- All digits of n are in ascending order, in base 10.

How many ascending numbers are there?

Submitted by Fernando

Rating: 3.0000 (3 votes)

Solution: (Hide)

I like Charlie's solution!

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
Puzzle Answer	K Sengupta	2022-08-15 06:24:53
re(2): solution	Fernando	2003-05-26 10:58:21
re(2): solution	Charlie	2003-05-25 10:27:16
re: solution	Sanjay	2003-05-25 07:17:08
solution	Charlie	2003-05-25 05:26:17

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