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PIMSO 2021 - Mathematics - Grade 5 - National Round Question 30

PIMSO Maths · PIMSO 2021 - Mathematics - Grade 5 - National Round

Question 30

In Grade 5-Aristotle class, the lowest score in a Mathematics quiz is 14 but the highest is 40. If at least four students have the same scores, what is the minimum number of students in Grade 5-Aristotle class?

Interpretation note (editorial): answer the literal minimum compatible with the stated conditions, rather than a different worst-case guarantee question.