Maths Olympiad Prep

Library / /107 of 475

, 2002

Algebra Difficulty 1.0 Junior Find the answer Canada

Sofia entered an elevator. The elevator went up seven floors, then down six floors, and finally up five floors. If Sofia got out on the twentieth floor, then she entered the elevator on floor number

(A) 1414 (B) 22 (C) 1616 (D) 3838 (E) 2626

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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.