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, 2007

Number theory Difficulty 1.0 Junior Find the answer Canada

Which number represents ten thousand?

(A) $10$ (B) $10\,000\,000$ (C) $10\,000$ (D) $100$ (E) $1\,000$

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.