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, 2006

Number theory Difficulty 2.0 Junior Find the answer Canada

Last year, Kiril's age was a multiple of $7$ . This year, Kiril's age is a multiple of $5$ . In how many years will Kiril be $26$ years old?

(A) $11$ (B) $21$ (C) $4$ (D) $18$ (E) $16$

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.