Maths Olympiad Prep

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, 2022

Combinatorics Difficulty 1.0 Junior Find the answer United Kingdom

The front number plate of Max's car fell off. He put it back upside down but luckily this didn't make any difference. Which of the following could be Max's number plate?

(A) 04 NSN 4004\ NSN\ 40 (B) 80 BNB 0880\ BNB\ 08 (C) 03 HNH 3003\ HNH\ 30 (D) 08 XBX 8008\ XBX\ 80 (E) 60 HOH 0960\ HOH\ 09

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