Knewton Brutal Math Challenge – Week 8
The shirt is once again in play. Show your work.
If A,BCD is a four-digit positive integer such that A,BCD is equal to the product of the two-digit number AB and the three digit number ABC, which of the following two-digit numbers cannot be a factor of A,BCD? (Note: the first digit of a number cannot be equal to 0.)
(B) II only
(C) III only
(D) II and III only
(E) I, II, and III