Riddle: If eleven plus two equals one, what does nine plus five equal?
Answer: 11 o'clock plus 2 hours = 1 o'clock
9 o'clock plus 5 hours = 2 o'clock

Riddle: How do you make the number 7 even without addition, subtraction, multiplication, or division?
Answer: Drop the "S".
Riddle: Before Mount Everest was discovered, what was the highest mountain on Earth?
Answer: Mount Everest.

Riddle: The more you take away, the more I become. What am I?
Answer: A hole.
Riddle: I have two hands, but I can not scratch myself. What am I?
Answer: A clock.

Riddle: There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?
Answer: Place the apple on one person's head.
Riddle: How do you spell candy in 2 letters?
Answer: c and y c(and)y.

Riddle: Always in you, Sometimes on you;
If I surround you, I can kill you.
What am I?
Answer: Water.
Riddle: A pet shop owner had a parrot with a sign on its cage that said "Parrot repeats everything it hears". Davey bought the parrot and for two weeks he spoke to it and it didn't say a word. He returned the parrot but the shopkeeper said he never lied about the parrot.
How can this be?
Answer: The parrot was deaf.
Riddle: Why did Tigger go to the bathroom?
Answer: He wanted to find his friend, Pooh!