Question 105
Let each of the characters $A, B, C, D, E$ denote a single digit, and $A B C D E 4$ and $4 A B C D E$ represent six-digit numbers. If
$$
4 \times A B C D E 4=4 A B C D E
$$
what is $C$ ?
$$
4 \times A B C D E 4=4 A B C D E
$$
what is $C$ ?