In a foot race, Abe was neither first nor last. Cal beat Doug, Bruce beat Abe, Abe beat Ed but was beaten by Cal, and Doug beat Bruce. Who was last? Arrange four chess pieces so that every piece attacks exactly four empty squares. In the USA, is it possible to travel by car in such a way that you visit exactly seven states and enter them in alphabetical order? What do these words have in common: commerce, canoodle, funnel, recessive? You have 12 pounds of nails and a large 2-pan balance. How can you measure out 9 pounds of nails? Find identical jigsaw puzzle pieces,...
In a foot race, Abe was neither first nor last. Cal beat Doug, Bruce beat Abe, Abe beat Ed but was beaten by Cal, and Doug beat Bruce. Who was last...
