Difference between revisions of "2023 AMC 10A Problems/Problem 12"

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How many three-digit positive integers <math>N</math> satisfy the following properties?
  
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*The number <math>N</math> is divisible by <math>7</math>.
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*The number formed by reversing the digits of <math>N</math> is divisble by <math>5</math>.

Revision as of 16:26, 9 November 2023

How many three-digit positive integers $N$ satisfy the following properties?

  • The number $N$ is divisible by $7$.
  • The number formed by reversing the digits of $N$ is divisble by $5$.