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Number theory Difficulty 1.0 Junior Find the answer Canada

When the number 16 is doubled and the answer is then halved, the result is

(A) $2^1$ (B) $2^2$ (C) $2^3$ (D) $2^4$ (E) $2^8$

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.