Maths Olympiad Prep

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Algebra Difficulty 1.0 Junior Find the answer United Kingdom

Adam's house number is in exactly one of the following ranges. Which one?

(A) 123123 to 213213 (B) 132132 to 231231 (C) 123123 to 312312 (D) 231231 to 312312 (E) 312312 to 321321

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