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Number theory Difficulty 2.0 Junior Find the answer Canada

When three consecutive positive integers are multiplied together, the answer is always

(A) odd (B) a multiple of 6 (C) a multiple of 12 (D) a multiple of 4 (E) a multiple of 5

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.