28 January 2023

"How old is Billy?"


One of several entertaining "disfrustrating puzzles" posted on the xkcd thread at Twitter, via Kottke.

4 comments:

  1. I gave up trying to solve that by the time I got to the buttons.

    ReplyDelete
  2. That is impossible to solve unless they tell you how fast the train was moving when it left Albany.

    ReplyDelete
  3. Are we working in Metric, Imperial (UK) or US (US) measurements?

    ReplyDelete
  4. Gregorian or Julian calendar?

    ReplyDelete

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