Question 10
In the addition shown below $A,$ $B,$ $C,$ and $D$ are distinct digits. How many different values are possible for $D?$ $$
\begin{array}{r} ABBCB \\ + \ BCADA \\ \hline DBDDD \end{array}
$$
\begin{array}{r} ABBCB \\ + \ BCADA \\ \hline DBDDD \end{array}
$$