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AMC10 2027 - Self-practice Set 4 Question 9

AMC10 · AMC10 2027 - Self-practice Set 4

Question 9

An integer $m$ is a three-digit palindrome, and $m+32$ is a four-digit palindrome. Find the digit sum of $m$.
  1. $20$
  2. $21$
  3. $22$
  4. $23$
  5. $24$