2021 CIME I Problems/Problem 3
Problem
For any positive integer 
, let 
denote the result when the digits of are reversed. It is given that there exists a unique set of 
-digit positive integers 
for which 
Find 
Video Solution by Punxsutawney Phil
See also
| 2021 CIME I (Problems • Answer Key • Resources) | ||
| Preceded by Problem 2 |
Followed by Problem 4 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 | ||
| All CIME Problems and Solutions | ||
The problems on this page are copyrighted by the MAC's Christmas Mathematics Competitions. 
