Mathematical Puzzles [pdf]

1 points | by mhb 2 hours ago

1 comments

  • tromp 2 hours ago

    I had trouble solving the 2nd puzzle "No Twins Today". According to Wikipedia

    > Twins are two offspring produced by the same pregnancy.

    Which Ronald and Donald are, so according to Wikipedia, they're twins. But according to the solution, Wikipedia's definition is overly broad.