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UKMT Pink Kangaroo, 2025

Number theory Difficulty 2.0 Junior Find the answer United Kingdom

The four-digit number $80\square\square$ is missing its last two digits. It is divisible by 8 and also by 9. What is the product of its last two digits?

(A) $6$ (B) $16$ (C) $20$ (D) $24$ (E) $48$

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