Riddle: What causes no pain or sorrow, but makes anybody weep?
Answer: An onion.
Riddle: What can be put in a cup, but never be taken out?
Answer: A crack.
Riddle: There are 10 bombs on the ground, 1 bomb explodes. How many bombs are there left?
Answer: None. Because when that 1 bomb exploded, it caused the rest of the Bombs to explode too.
Riddle: A man dies of old age on his 25th birthday. How is this possible?
Answer: He was born on February 29.
Riddle: I live in a circle surrounded by hair sometimes I go out and sometimes I stay in. What am I?
Answer: A Belly Button
Riddle: Look before you leap. What is the contradictory proverb?
Answer: He who hesitates is lost.
Riddle: If at first you don't succeed, try, try again. What is the contradictory proverb?
Answer: Don't beat your head against a brick wall.
Riddle: Absence makes the heart grow fonder. What is the contradictory proverb?
Answer: Out of sight, out of mind
Riddle: Never put off until tomorrow what you can do today. What is the contradictory proverb?
Answer: Don't cross the bridge until you come to it.
Riddle: Two heads are better than one. What is the contradictory proverb?
Answer: Paddle your own canoe.