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AMO 2027 Grades 4-5 SET 5 - Self-study Question 12

AMO · AMO 2027 Grades 4-5 SET 5 - Self-study

Question 12

For a certain 3-digit number:

• The digits are in increasing order.

• The difference of the greatest and least digit is 7.

• It is a multiple of 9 and greater than 200.

Find this 3-digit number.