A sphere of iron of radius R/2 fixed to one end
of a string was lowered into water in a
cylindrical container of base radius R to keep
exactly half the sphere dipped. The rise in the
level of water in the container will be
Arithmetic is where numbers fly like pigeons in and out of your head
Carl Sandburg
A MAN IS LIKE A FRACTION WHOSE NUMERATOR IS WHAT HE IS AND WHOSE DENOMINATOR IS WHAT HE THINK ABOUT HIMSELF LARGER THE DENOMINATOR SMALLER THE FRACTION