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UKMT Junior Mathematical Challenge, 2026

Algebra Difficulty 2.0 Junior Find the answer United Kingdom

Five different numbers are written in ascending order. The mean of the first four numbers is $5$ . The mean of the last four numbers is $7$ . What is the range of the numbers?

(A) $2$ (B) $4$ (C) $6$ (D) $7$ (E) $8$

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