Beginning with any number you want, you will add the larger digit of that number to itself, and then proceed to do the same with each sum in a series of steps to obtain 100 at the end.
If we want to obtain 100 in 10 steps, what number should we start from?
Example:If we want to obtain 101 in 5 steps, we should start from 64:
The Prize for This Question: Rubik’s 3×3 Cube
Send your answer to ieee@bilkent.edu.tr by 5:30 p.m. on November 18, or visit ieee.bilkent.edu.tr/zeka.