MathDB
Problems
Contests
National and Regional Contests
USA Contests
USA - College-Hosted Events
Harvard-MIT Mathematics Tournament
2000 Harvard-MIT Mathematics Tournament
23
2000 Guts #23: 7 digit numbers divisible by 3
2000 Guts #23: 7 digit numbers divisible by 3
Source:
October 25, 2014
Problem Statement
How many
7
7
7
-digit numbers with distinct digits can be made that are divisible by
3
3
3
?
Back to Problems
View on AoPS