Brain Teasers

What beneficial vitamin does your skin absorb from direct sunlight?

Answer : Vitamin D
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In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

Answer : The Answer is 2. First, divide the coins into 3 equal piles. Place a pile on each side of the scale, leaving the remaining pile of 3 coins off the scale. If the scale does not tip, you know that the 6 coins on the scale are legitimate, and the counterfeit is in the pile in front of you. If the scale does tip, you know the counterfeit is in the pile on the side of the scale that raised up. Either way, put the 6 legitimate coins aside. Having only 3 coins left, put a coin on each side of the scale, leaving the third in front of you. The same process of elimination will find the counterfeit coin.
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I’m full of keys but I can’t open any door. What am I?

Answer : A piano.
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I am a son of a chemist and a mathematician. People called me Iron59. What’s my name?

Answer : Felix
Explanation:Iron = Fe (chemical symbol)
59 = LIX (Roman numerals)
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Can you name three consecutive days without using the words Wednesday, Friday, and Sunday?

Answer : Yesterday, today, and tomorrow.
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What get broken without being held?

Answer : A Promise
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A man was outside taking a walk, when it started to rain. The man didn’t have an umbrella and he wasn’t wearing a hat. His clothes got soaked, yet not a single hair on his head got wet. How could this happen?

Answer : The man was bald.
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Give me food, and I will live; give me water, and I will die. What am I?

Answer : Fire
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Jimmy’s mother had four children. She named the first Monday. She named the second Tuesday, and she named the third Wednesday. What is the name of the fourth child?

Answer : Jimmy, because Jimmy’s mother had four children!
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You are in a cabin and it is pitch black. You have one match on you. Which do you light first, the newspaper, the lamp, the candle, or the fire?

Answer : You light the match first!
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