A positive integer is divisible by 3 if and only if the…

A positive integer is divisible by 3 if and only if the sum of its digits is divisible by 3. If the six-digit integer is divisible by 3, and n is of the form 12k,k24, where k represents a digit that occurs twice, how many values could n have?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #19633