If 50% of P equals 20% of Q, then P, as a percent of Q, is
(A) 60% (B) 250% (C) 40% (D) 20% (E) 30%
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.