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Australian AMC 2023 - Junior Question 17

AMC AUSTRALIA · Australian AMC 2023 - Junior

Question 17

I wrote a list of all multiples of 7 between 1 and 500. Then I looked at the last digit of each number in my list. Which digit appeared most often as the last digit?
  1. 1
  2. 3
  3. 7
  4. 9
  5. None of A–D: no single last digit appears most often