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AMO 2025 Primary 3 (Grade 3) Question 2

AMO · AMO 2025 Primary 3 (Grade 3)

Question 2

Jada cuts a 30 cm ribbon into three pieces with whole-number lengths: short, medium, and long. The short piece is 4 cm; the medium piece is longer than the short piece, and the long piece is longer than the medium piece. What is the longest possible length of the long piece?

Question illustration
  1. 19 cm
  2. 20 cm
  3. 21 cm
  4. 23 cm