Library / /40 of 387

, 1999

Number theory Difficulty 1.0 Junior Find the answer Canada

If 8 is added to the square of 5 the result is divisible by

(A) $5$ (B) $2$ (C) $8$ (D) $23$ (E) $11$

Want a route through all this instead of an archive? The track puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.

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.