We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
+1
83
2
avatar

How many positive integers less than 5,000 have at most two different digits.

 Feb 4, 2019
 #1
avatar
0

Give an example of what you mean by "at most two different digits".

 Feb 4, 2019
 #2
avatar+79 
+1

read this: https://artofproblemsolving.com/wiki/index.php?title=2004_AIME_II_Problems/Problem_4

 Feb 4, 2019

5 Online Users

avatar
avatar