Riddle: On a fine sunny day a ship was in the harbor. All of a sudden the ship began to sink. There was no storm and nothing wrong with the ship yet it sank right in front of the spectators eyes. What caused the ship to sink?
Riddle: You're in a magical bathroom with no windows and the only way things can get in and out is by an open door. You decide to have a bath so you turn on the tap, you shut the door and the handle breaks so you can't open it, you then turn off the tap and the knob breaks so water keeps coming. How do you save yourself from drowning?
Riddle: A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?
Riddle: I am never quite what I appear to be. Straight-forward I seem, but it's only skin deep, for mystery most often lies beneath my simple speech. Sharpen your wits, open your eyes, look beyond my exteriors, read me backward, forwards, upside down. Think critically and answer the question.
What am I?