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31.
Riddles
The Chicken and Egg-Brain teaser
Which came first, the chicken or the egg?
The egg. Evolutionarily, the first egg that contained the genetic mutation to become a chicken was laid by a bird that was not quite a chicken, making the egg the precursor.
32.
Riddles
Sundial and timepiece- Brain Teasers
A sundial has the fewest moving parts of any timepiece. Which has the most?
Answer: An hourglass, with thousands of grains of sand
33.
Riddles
Man and river-Brain Teasers
A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?
Answer: The river was frozen
34.
Riddles
Tastes and Smells- Brain Teasers
What tastes better than it smells ?
Answer: A tongue
35.
Riddles
The Missing Square Puzzle-Brain teaser
A large square is cut into four pieces, which are then rearranged into a rectangle. The area of the rectangle appears to be missing a square unit. Where did the missing square go?
This is an optical illusion. The rearrangement causes a very slight change in the angles of the pieces, which leads to the appearance of a missing square. The total area hasn't changed, but the illusion tricks the eye into thinking a square unit has disappeared.
36.
Riddles
A man and a photograph-Brain Teasers
A man is looking at a photograph of someone. His friend asks who it is. The man replies, Brothers and sisters, I have none. But that man's father is my father's son. Who was in the photograph?
Answer: His son.
37.
Riddles
Valueless if bought-Brain Teasers
The cost of making only the maker knows, Valueless if bought, but sometimes traded. A poor man may give one as easily as a king. When one is broken pain and deceit are assured. What is it?
Answer: Promise
38.
Riddles
The Chessboard Puzzle-Brain teaser
A chessboard has 64 squares. If you remove two opposite corner squares, can you cover the remaining 62 squares with 31 dominoes, each covering exactly 2 squares?
No, you can. Each domino covers two adjacent squares of different colors, but removing two opposite corners removes two squares of the same color. This leaves an odd number of squares of each color, making it impossible to cover them evenly with dominoes.
39.
Riddles
Job polish and herb-Brain Teasers
What is special about these words: job, polish, herb?
Answer: They are pronounced differently when the first letter is capitalized.
40.
Riddles
How many daughters-Brain Teasers
A man describes his daughters, saying, They are all blonde, but two; all brunette but two; and all redheaded but two. How many daughters does he have?
Answer: Three. A blonde, a brunette and a redhead
41.
Riddles
Something that binds two people-Brain Teasers
What fastens two people yet touches only one?
Answer: A wedding ring
42.
Riddles
Guess next 3 letters- Brain Teasers
Guess the next three letters in the series GTNTL.
Answer: I, T, S. The complete sequence is the first letter of every word in the sentence.
43.
Riddles
The Speeding Train-Brain teaser
A train 1 mile long is traveling at a speed of 1 mile per minute through a tunnel 1 mile long. How long will it take for the train to completely pass through the tunnel?
It will take 2 minutes. The front of the train takes 1 minute to exit the tunnel, but the back still needs another minute to completely pass through.
44.
Riddles
Person is 15 years old-Brain Teasers
In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?
Answer: The person was born in 2005 BC.