Hundreds digit is thrice the ones digit
Source: 2014-2015 SDML High School 1b Problem 1/2014-2015 SDML Middle School 1b Problem 4
August 28, 2016
2014-15 SDML Round 1SDML High SchoolSDML Middle School
Problem Statement
If you pick a random -digit number, what is the probability that its hundreds digit is triple the ones digit?