Maths Olympiad Prep

Library / /93 of 413

, 2000

Algebra Difficulty 1.0 Junior Find the answer Canada

Of the following five statements, how many are correct? (i) 20%20\% of 40=840 = 8 (ii) 23=82^3 = 8 (iii) 73×2=87 - 3 \times 2 = 8 (iv) 3212=83^2 - 1^2 = 8 (v) 2(64)2=82(6-4)^2 = 8

(A) 11 (B) 22 (C) 33 (D) 44 (E) 55

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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.