Given the number 188188...188 (number 188 is written 101 times). Some digits of this number are crossed out. What is the largest multiple of 7, that could happen?
The required multiple of 7 in conformity with the given conditions is:
888888188188188........,....188
six 8s (then) ninety eight 188s
I hope to posit a suitable explanation for the answer to this interesting puzzle.
Edited on May 17, 2022, 11:29 pm