While I turn away my head, let some one throw a pair of dice and count the pips, and add to this sum the amount on the bottom face of either one of them. Now, throw again and add these new points.
I now turn and look, and tell the whole number thrown.
Explanation.—When you look, you count the faces seen, and add seven. This is a pretty little trick.
Arithmetically speaking, would not the world be happier if all were 2 B 1 0 0 1 5 1 5 0.
C I V I L 2 1 another.
Fig. 41.—The Fair Arithmetician.