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AMO 2019 – Primary 5 (Grade 5) Question 7

AMO · AMO 2019 – Primary 5 (Grade 5)

Question 7

Tom’s PIN is a five-digit number with all digits different. The thousands digit is twice the ten-thousands digit; the hundreds digit is $50\%$ more than the thousands digit; the tens digit is $1$ more than the ten-thousands digit; and the ones digit is $2$ more than the tens digit. Find the PIN divided by $65$.

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