Riddle: A man was born in 1898 He is still alive now at the age 33 How is this possible ?
Answer: he was born in room 1898 in the hospital
Riddle: In a contest, there are four fruits (an apple, a banana, an orange, and a pear) which have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. There were 123 participants in the contest. The results are; 43 people guessed none correctly, 39 people guessed one correctly and 31 people have guessed two correctly. How many people guessed three correctly and how many people guessed all four correctly?
Answer: It is not possible to only get three correct because the fourth would also be correct.  Therefore, the answer would be (123-43-39-31 = 10) 10 people  guessed all four correctly.
Riddle: What do reindeer use to decorate their antlers?
Answer: Horn-aments!
Riddle: As I was going to the mall I met a man with seven wives, Each wive held two bags, Each bag held a mother cat, Each mother cat had six babies, How many people where going to the mall?
Answer: One! As I was going to the mall I met a man...
Riddle: My first is high, My second damp, My whole a tie, A writer's cramp. What am I?
Answer: Hyphen. The first two lines yield high-fen. A hyphen is used by a writer to tie (or cramp) two words together.
Riddle: What time is it when the clock strikes 13?
Answer: Time to get the clock fixed
Riddle: You can take off all of my skin and I will not cry but you will. What am I?
Answer: I'm an onion.
Riddle: It keeps something that cannot be kept, And wakes you when you have slept. It may go slow or stop at times, But even then it chimes.  What is it?
Answer: An alarm clock. “It keeps something that cannot be kept”: Time can’t be held; a clock only measures it as it slips by. “And wakes you when you have slept”: The alarm rings to wake you. “It may go slow or stop at times”: Clocks can run slow or stop (dead battery, mechanical hiccup). “But even then it chimes”: Many clocks still chime or ring on the hour/alarm, even if their timekeeping isn’t perfect. 
Riddle: There lived a man in a house and everytime he went to bed he turned on the light. One night, the man forgot to turn on the light. The next day he read the paper and killed himself. Why?
Answer: The man lived in a lighthouse. He forgot to turn on the light and a ship crashed. The next morning he read in the paper that the ship crashed and killed himself because he felt guilty.
Riddle: A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?
Answer: 50 years old.