Riddle: I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?
Answer: An Echo.
Riddle: There are three doors. In each door is a way to die. The first door has fire and lava. The second door has lions that haven't eaten in 5 years. In the third door, there is a 1,000-foot drop into alligators. Which door will you likely survive?
Answer: The second door with the lions. Since they haven't eaten in 5 years they will have died.
Riddle: I'm in the book, but not on any leaf; I'm in the mouth, but not in lip or teeth; I'm in the atmosphere, but never in the air; I wait on every one, but never on a pair; I am with you wherever you may go; And every thing you do I'm sure to know; Though when you did it I should not be there, Yet when 'twas done, you'd find me in the chair.What am I?
Answer: The letter O.
Classic Riddles
Riddle: There is a pink house made of bricks, a blue house made of bricks, an orange house made of bricks. What color bricks is a greenhouse made of?
Answer: A greenhouse is made of glass or plastic, not bricks
Riddle: Every night, I'm told what to do. And every morning, I do what you tell me to do. But you still get mad at me and hit me. What am I?
Answer: An alarm clock.
Classic Riddles
Riddle: I'm made of eight letters, But hold a ninth inside; Pay a very small fee, And send me for a ride. What am I?
Answer: An Envelope.
Riddle: If a train was on its way to Florida and it tipped over, where would they bury the survivors?
Answer: They wouldn't need to, the survivors are still alive!
Classic Riddles
Riddle: Forward and forward I go, never looking back. My limit no one knows, more of me do they lack. Like a river I do flow, and an eagle I fly. Now can you guess, what am I?
Answer: Time. I am time!
Riddle: Squeeze me and I cry tears as red as flesh, but my heart is made of stone. What am I?
Answer: A cherry.
Riddle: I turn around once. What is out will not get in. I turn around again. What is in will not get out. What am I?
Answer: A Key.
Riddle: A cop was walking past a restaurant when he heard someone scream - "No John, not the gun!" He ran inside and and saw a doctor, a lawyer, a milkman, and a dead body on the floor. He promptly walked over to the milkman and arrested him. He didn't witness the shooting and there was no apparent evidence to prove who shot the person and no one told him who the killer was. How did the policeman instantly know it was the milkman?
Answer: The milkman was the only male. The doctor and lawyer were females, so the cop knew that "John" was the milkman.
Riddle: How many letters are in the alphabet?
Answer: There are 11 letters in "THE ALPHABET." Did you say 26?
Riddle: You are a bus driver at a station. 10 get on the bus and no one gets off. You drive 10 miles to another station where 3 people get on and 1 gets off. You drive another 10 miles only to get 25 people on and 5 people go off. Next you drive 3 miles while 12 people exit the bus. You drive back to the place knowing that a couple more stops along the way untill the ride is done. At the 2nd to last station 5 people get on and 2 get off. And at the last station (5.5 miles) 25 people get on for no reason and 1 gets off. What is the bus drivers eye color?
Answer: You are the bus driver so, the answer is the color of your eyes.
Riddle: What is the next number in the sequence? 2, 3, 5, 9, 17, _
Answer: 33. The pattern:  Double the previous number and subtract 1.
Riddle: A word I know, six letters it contains. Subtract just one, and twelve is what remains. What is the word?
Answer: Dozens!
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: Marble walls as white as milk, lined with skin as soft as silk, in a fountain crystal clear, a golden apple will appear, there is no key to this stronghold, yet theives break in and steal the gold. What is it?
Answer: An egg.
Riddle: This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has hands; lacks a head but has a face. What is it?
Answer: A Clock.
Riddle: If you feed me, I live, but if you water me, I die. What am I?
Answer: A Fire
Riddle: There are ten birds sitting on a fence. You shoot one. How many are left?
Answer: None are left. All the others are scared away because of the gunshot.