There is one that has a head without an eye, And there is one that has an eye without a head. You may find the answer if you try; And when all is said, Half the answer hangs upon a thread.
It has an eye in the middle of it, but as you see, it cannot see. It is dark and not far away. You don’t see it every day. It is not night and it is not bright. It can have twists and water and scares. What is it?
I am a drink.
Change one letter and I am an eye signal.
Change another letter and I am part of a candle.
Change a further letter and I am a mark of correctness.
Change one final letter and I am a stitched fold.
What was I and what did I become?
You have an 8 by 8 chess board that has two corner squares diagonal from each other removed. Is there any way to place 31 dominoes of size 2x1 to cover the remaining 62 spaces?
