Brain Teaser #152

1. What do bullet proof vests, fire escapes, windshield wipers, and laser printers all have in common?

2. Not born, but from a Mother's body drawn, I hang until half of me is gone. I sleep in a cave until I grow old, then valued for my hardened gold. What am I?

3. Monique is 24 years old. She is twice the age that Valerie had when Monique was the same age that Valerie is now. How old is Valerie?
Solution
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Brain Teaser #145

You are a cook in a remote area with no clocks or other way of keeping time other than a four minute sandglass timer and a seven minute sandglass timer. (The kind you turn over - hourglass shaped) You do have a stove, however, with water in a pot already boiling. Somebody asks you for a nine-minute egg, and you know this person is a perfectionist and will be able to tell if you undercook or overcook the eggs by even a few seconds. What is the least amount of time it will take to prepare the egg? And how will you prepare it so that it is neither undercooked or overcooked?
Solution
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Brain Teaser #133

A woman was sitting in her hotel room when there was a knock at the door. She opened the door to see a man whom she had never seen before. He said, "Oh I'm sorry. I have made a mistake. I thought this was my room." He then went off down the corridor to the elevator. The woman went back into her room and phoned security to have the man apprehended. What made the woman so suspicious of the man.
Solution
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Brain Teaser #129

1. An old lady left $33,333 to be divided equally among two fathers and two sons and each was to receive $11,111. How was this possible?

2. There is one in a minute and two in a moment, but only one in a million years. What is it?
Solution
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Brain Teaser #124

It was Halloween night. An evil goblin kidnapped some children who were out trick-or-treating and gave them the option of how they would die. They could either have their brains eaten by worms, be buried alive in a mass grave or tossed into a pit of poisonous snakes. If any of them survived, they would then be set free. One especially bright child thought of the choice that saved them all. Which one would you choose and why?
Solution
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Brain Teaser #121

A boy was in detention from talking too much when the teacher was talking. The detention teacher said, "You have to produce a 1000 word essay in 30 seconds...GO!!"

The boy actually did it. How?

Note: he did not just write "A 1000 word essay" on his paper. You'll have to be a little more clever than that.
Solution
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Brain Teaser #120

1. That attorney is my brother, testified the accountant.
But the attorney testified he didn't have a brother.
Who is lying?

2. How many 5-digit numbers are there that do not contain the numbers 3 and 5, and are multiples of 4? (It cannot start with 0, ie. 01234 is not a 5 digit number)
Solution
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Brain Teaser #114

Four couples are going to the movies to see a Horror movie for Halloween. Each row holds eight seats. Betty and Jim don't want to sit next to Alice and Tom, and Alice and Tom don't want to sit next to Gertrude and Bill. On the other hand, Sally and Bob don't want to sit next to Betty and Jim. How can the couples arrange themselves so that they all sit where they would like?
Solution
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Brain Teaser #113

1. David and Mike are brothers. David is 33 years old today. This is three times as old as Mike was when David was the age that Mike is today. How old is Mike?

2. Dead on the field lie ten soldiers in white, felled by three eyes, black as night. What's going on here?
Solution
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Brain Teaser #102

What Is It?

1. There are four colored balls in a hat: two red, one black and one blue. After pulling out two of them, you know that one of them is red, but you do not know which one. What is the probability that both balls are red?

2. While walking across a bridge I saw a boat full of people. Yet on the boat there wasn't a single person. Why?
Solution
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Brain Teaser #100

Captain Frank and some of the boys were exchanging old war stories. Art Bragg offered one about how his grandfather led a battalion against a German division during World War I. Through brilliant maneuvers he defeated them and captured valuable territory. After the battle, he was presented with a sword bearing the inscription "To Captain Bragg for Bravery, Daring and Leadership. World War I. From the Men of Battalion 8." Captain Frank looked at Art and said, "You really don't expect anyone to believe that yarn, do you?" What's wrong with the story?
Solution
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Brain Teaser #97

A man wanted to get into a members only club so he hid and watched the guard at the door of the club house. The guard said a number to each member as they approached, and the member would respond with a number of their own. If the member responded with the correct number they were let in. If they responded incorrectly they were thrown out. One member came up to the door, the guard said twelve, and the member responded with six and was let in. Another member came to the door, the guard said six and the member responded with three and was let in. Believing he had heard enough, the reject went up to the guard. The guard said ten, and the reject said five, but was not let in. What should the reject have said?
Solution
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Brain Teaser #94

Two trains, each two miles long, enter two one mile long tunnels that are two miles apart from one another on the same track. The trains enter the tunnels at exactly the same time. The first train is going 5 miles/hour, and the second train is going 10 miles/hour. What is the sum of the lengths of the two trains that will protrude from the tunnels at the exact moment that they collide, assuming that neither train changes its speed prior to collision? The trains are on the same track headed in opposite directions (i.e. directly toward one another).
Solution
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Brain Teaser #93

1. A contronym is a single word that has two meanings that are contradictory in nature. What is a contronym for violent disorder vs. joyous revelry?

2. Which day of the week has an anagram?

3. If a red house is made from red bricks and a yellow house is made from yellow bricks, what is a green house made from?
Solution
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Brain Teaser #91

1. It takes twelve one-cent stamps to make a dozen. How many four-cent stamps does it take to make a dozen?

2. There was a man climbing a ladder to somebody's house, to the nearest window. He broke into the house and took what was most precious to the family. He climbed down, and the police were there waiting for him. He returned what he took, and the police let him walk away. Why?
Solution
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Puzzle, IQ, Teasers, Brain, Trivia and more...

Brain Teaser #86

In 1209, on a hot summer day there was a man who was ordered to be executed by king. The king was a nice king though, and he said that if the man could prove himself wise, he would let him go. The king filled a room with fake flowers, and only put in one real flower in the room. The king said the man had 20 seconds to find the real flower. The man said, "It's very stuffy in here. Could you open a window?" The king opened a window, and the man immediately knew which was the real flower. How did he know? 
Solution
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Brain Teaser #81

Jack and Joe were on vacation and driving along a deserted country road from the town of Kaysville to the town of Lynnsville. They came to a multiple fork in the road. The sign post had been knocked down and they were faced with choosing one of five different directions. Since they had left their map at the last gas station and there was no one around to ask, how could Jack and Joe find their way to Lynnsville?
Solution
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Brain Teaser #78

1. A woman depended on a public telephone to make her calls, but it was usually out of order. Each day she reported this to the phone company, but nothing was done. Finally she came up with a fib that she told the phone company. The phone was fixed the next day. What did she tell them?

2. Soon little Freddie will celebrate his tenth birthday. In 11 years Freddie will reach half the average age of his parents. His mother is only 17 years older than her son. How old are Freddie's father and mother.
Solution
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Brain Teaser #74

1. There was an old woman who lived in a shoe, and the only food she had for her ten children was six potatoes. How did she make sure that each child had an equal share?

2. I come during winter,
But leave during summer.
You'll see me at night,
And maybe during day,
But one time you'll never see me,
Is without heat in my bay.
Solution
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Puzzle, IQ, Teasers, Brain, Trivia and more...

Brain Teaser #67

1. Visualize a cube. You know it has 6 faces, 8 corners, and 12 edges. Now, imagine a knife slicing away each corner with a straight plane cut. How many total edges are there now?

2. At the height of the Cold War, a U.S. racing car easily beat a Russian car in a two-car race. How did the Russian newspapers truthfully report this in order to make it look as though the Russian car had outdone the American car?
Solution
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