Posted: May 18th, 2017

Which one of the following must be true about any acceptable product code?

Which one of the following must be true about any
acceptable product code?
(A) The digit 1 appears in some position before the
digit 2.
(B) The digit 1 appears in some position before the
digit 3.
(C) The digit 2 appears in some position before the
digit 3.
(D) The digit 3 appears in some position before the
digit 0.
(E) The digit 4 appears in some position before the
digit 3.