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AMO · 2027 · Grades 2-3 · Self-study SET 28 Question 8

AMO

Question 8

A two-digit number is doubled, then 25 is added. The result is three times the original number. What is the original number?

Question illustration

Choose one option.
  1. 20
  2. 60
  3. 50
  4. 75
  5. 25