Maths Olympiad Prep

Library / /129 of 475

, 2006

Algebra Difficulty 1.0 Junior Find the answer Canada

If 12+23+34+n12=2\dfrac{1}{2} + \dfrac{2}{3} + \dfrac{3}{4} + \dfrac{n}{12} = 2, the value of nn is

(A) 4-4 (B) 1313 (C) 1818 (D) 44 (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.