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2017 AMC 10A Question 20

AMC10 · 2017 AMC 10A

Question 20

Let $S(n)$ equal the sum of the digits of positive integer $n.$ For example, $S(1507) = 13.$ For a particular positive integer $n,$ $S(n) = 1274.$

Which of the following could be the value of $S(n+1)?$
  1. $1$
  2. $3$
  3. $12$
  4. $1239$
  5. $1265$