A man walks into a bar and quickly orders 12 of the most expensive whiskey shots. The bartender lines 12 up shot glasses and fills them up. The man quickly downs all 12 of them back to back and taps the...

A 6th-grade teacher posed the following problem to one of her arithmetic classes: “A wealthy man dies and leaves ten million dollars. One-fifth is to go to his wife, one-fifth is to go to his son, one-sixth to his butler, and...