HKIMO 2026 Grade 5 National Final (Heat) Set 05 Question 1

A mathematics examination has 20 questions. Each correct answer earns 4 marks, each incorrect answer loses 2 marks, and unanswered questions earn or lose no marks. What is the greatest number of questions Amy can answer correctly if her score is 60?

Source glossary (English–Vietnamese): Awarded: thưởng; Deducted: trừ; Correct: đúng; Incorrect: sai; At most: nhiều nhất.