Let $S(n)$ equal the sum of the digits of positive integer $n$. For a particular integer $n$, let $S

Question

Let $S(n)$ equal the sum of the digits of positive integer $n$. For a particular integer $n$, let $S(n)=1274$. Then the possible value of $S(n+1)$ is

Professor PC Thomas Classes · Answer

Adding 1 cascades digits, resulting in a sum of 1239.