You are given 50 tiny steel balls and a small, but very exact, balancing scale. Each of the balls weighs 15 grams, with only one weighing 2 grams more than therest. Can you, by using the scale only four times, find and isolate this oversizedsteel ball? | ||

What number? | ooooo What is the next number in this row of numbers? | |

The King of Persia | ooooo The checkerboard has 64 squares. Legend tells us that it was designed in ancient times by a Persian and that his king was so delighted with the new game that he promised the inventor any gift he should wish as a reward (perhaps excluding the royal princess). | |

You're saying? | ooooo What comes once in a minute, twice in a moment, but never in a thousand years? | |

Machinery | ooooo 'One machine can do the work of fifty ordinary men. No machine can do the work of one extraordinary man.' (Elbert Hubbard) |