Maths Olympiad Prep

Library / /72 of 146

, 2018

Algebra Difficulty 2.0 Junior Find the answer United Kingdom

Which of the following is equal to 25×15×9×5.4×3.2425\times 15\times 9\times 5.4\times 3.24?

(A) 393^9 (B) 3103^{10} (C) 3113^{11} (D) 3143^{14} (E) 3173^{17}

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: UK Mathematics Trust, licensed © UK Mathematics Trust; past papers published free at ukmt.org.uk. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.