When the numbers 5, 2.1, 37, 2.05, 251 are arranged in order from smallest to largest, the middle number is
(A) 5 (B) 2.1 (C) 37 (D) 2.05 (E) 251
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.