Maths Olympiad Prep

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Number theory Difficulty 1.0 Junior Find the answer United Kingdom

What is the remainder when 1234×56781234 \times 5678 is divided by 5?

(A) 00 (B) 11 (C) 22 (D) 33 (E) 44

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Source: UK Mathematics Trust, licensed © UK Mathematics Trust; past papers published free at ukmt.org.uk. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.