Maths Olympiad Prep

Library / /94 of 475

, 2003

Algebra Difficulty 1.0 Junior Find the answer Canada

If nn is any integer, n+3n + 3, n9n - 9, n4n - 4, n+6n + 6, and n1n - 1 are also integers. If n+3n + 3, n9n - 9, n4n - 4, n+6n + 6, and n1n - 1 are arranged from smallest to largest, the integer in the middle is

(A) n+3n+3 (B) n9n-9 (C) n4n-4 (D) n+6n+6 (E) n1n-1

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.