Riddle: When is a door not a door?
Answer: When its a jar
Riddle: Each morning I appear To lie at your feet, All-day I will follow No matter how fast you run, Yet I nearly perish In the midday sun. What am I?
Answer: A shadow
Riddle: If you're in a room with no windows, no doors, and everything made of cement. In the room is a mirror and a table. How do you get out?
Answer: Look in the mirror to see what you saw. Take the saw the table in half.  Use the two halves to make a whole.  Then, crawl through the hole to get out.
Riddle: Angry and Hungry are two words ending in 'gry" There are three words, (Using popular terminology) in the English Language, that ends in "GRY". The word is something that everyone uses every day. If you have listened carefully, I have already told you what it is. What is the third word?
Answer: The answer is terminology. It's the third word ending in gry. Using popular terminology
Riddle: What is more amazing than a talking dog?
Answer: A spelling bee.
Riddle: You are standing in front of a room with one lightbulb inside of it. You cannot see if it is on or off. Outside the room, there are 3 switches in the off positions. You may turn the switches any way you want to. You stop turning the switches, enter the room and know which switch controls the lightbulb. How?
Answer: You turn 2 switches "on" and leave 1 switch "off" and wait about a minute. Then enter the room, but just before you enter, turn one switch from "on" to "off". Once in the room, feel the lightbulb - if it is warm, but off, it has to be the last switch you turned off. If it is on, it has to be the switch left on. If it is cold and is off, it has to be the switch you left in the off position.
Riddle: Bright as diamonds, Loud as thunder, Never still, A thing of wonder. What am I?
Answer: A Waterfall.
Riddle: A rich person doesn't need it A poor person has it And if you eat it you will die. What is it?
Answer: Nothing.
Riddle: Ms. Etticoat, in a white petticoat, and a red nose; the longer she stands The shorter she grows. What is she?
Answer: A candle.
Riddle: Suppose you want to send in the mail a valuable object to a friend. You have a box which is big enough to hold the object. The box has a locking ring which is large enough to have a lock attached and you have several locks with keys. However, your friend does not have the key to any lock that you have. You cannot send the key in an unlocked box since it may be stolen or copied. How do you send the valuable object, locked, to your friend - so it may be opened by your friend?
Answer: Send the box with a lock attached and locked. Your friend attaches his or her own lock and sends the box back to you. You remove your lock and send it back to your friend. Your friend may then remove the lock she or he put on and open the box.