Maths Olympiad Prep

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Problem 382

Number theory Difficulty 2.0 Find the answer UKMT Junior Kangaroo · United Kingdom · 2026

How many positive integers between 10 and 2026 have all their digits the same and are divisible by 3?

(A) 88 (B) 1010 (C) 1212 (D) 1414 (E) 1616

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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, ordering) added by this project. Solutions are the publisher's, linked not copied.