Brain Teaser 1

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Brain Teaser 1
What is the significance of the following The
year is 1978, thirty-four minutes past noon on
May 6th.
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The time and month/date/year American style
calendar are 1234, 5/6/78.
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Brain Teaser 2
How much dirt would be in a hole 6 feet deep and
6 feet wide that has been dug with a square
edged shovel?
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None. No matter how big a hole is, it's still a
hole the absence of dirt.
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Brain Teaser 3
What can go up a chimney down, but can't go down
a chimney up?
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An umbrella.
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Brain Teaser 4
What is it that goes up and goes down but does
not move?
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The temperature
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Brain Teaser 5
I dig out tiny caves, and store gold and silver
in them. I also build bridges of silver and make
crowns of gold. They are the smallest you could
imagine. Sooner or later everybody needs my
help, yet many people are afraid to let me help
them.  Who am I?
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A Dentist.
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Brain Teaser 6
When asked how old she was, Mary replied, "In two
years I will  be twice as old as I was five
years ago." How old is she? 
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12
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Brain Teaser 7
An elderly man is going for a walk.  Two young
men in excellent  physical condition are directly
behind him, sprinting toward  him.  No matter
how fast they run, they do not catch up with
the man.  Why can't the men catch up with the
elderly man and where  are all three people?
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The three people are on treadmills in a gym. 
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Brain Teaser 8
A steady stream of people enter Mike's place of
business and remove its treasured belongings. 
The people do not pay for what  they take.  Mike
allows them to take as much as they can carry  as
long as they keep their mouths shut.  What are
the people  taking and which type of business
employs Mike.
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The people are taking books and Mike works for a
Library.
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Brain Teaser 9
There is a low railroad bridge in your town.  One
day you see a  large truck stopped just before
the underpass.  When you ask  what has happened,
the driver tells you that his truck is one inch
higher than the indicated height of the opening. 
This is the only road to his destination.  What
can he do to get through  the underpass the
easiest way?
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Let enough air out of the tires to lower the truck. 
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Brain Teaser 10
Little Johnny buys 10 trees at a local nursery.
How does he  plant these 10 trees in 5 rows with
4 in each row? 
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Draw a 5 pointed star. Plant one tree at each
point and one tree where the sides intersect. 
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Brain Teaser 11
I have four letters. The first two stand for a
boy. The first three stand for a girl. All of my
letters stand for brave boy. What word am I?
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Hero
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Brain Teaser 12
My brother, the local bus driver, was telling me
that recently  he was driving a bus full of
people and no-one got off on the  way. However,
at the end of the journey, there was not a
single  person left on the bus. How?
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Everyone on the bus was married and therefore
not single.
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Brain Teaser 13
We were four, one was cut and we were five.
What are we? 
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The answer is the Roman numeral IV. It stands
for 4, and if the  one (I) is taken out, it
becomes Roman numeral V, which is five.
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Brain Teaser 14
Jeff had 17 rings and all but 9 were dropped
down the drain,  how many did he have left? 
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Nine.
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Brain Teaser 15
Correct the following equation so that it makes
sense by freely  moving the given four digits
but without introducing any  additional
mathematical symbols. 76 24
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72 49
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Brain Teaser 16
How quickly can you find out what is unusual
about this  paragraph? It looks so ordinary that
you would think hat  nothing was wrong with it at
all and, in fact, nothing is. But  it is unusual.
Why? If you study it and think about it you may 
find out, but I am not going to assist you in any
way. You must  do it without coaching. No doubt,
if you work at it for long, it  will dawn on you.
Who knows? Go to work and try your skill. Par  is
about half an hour. 
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The paragraph does not contain any instances of
the letter 'e', the  most common letter in the
English alphabet. 
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Brain Teaser 17
A clerk in the butcher shop is 5 feet 10 inches
tall. What does  he weigh?
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Meat.
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Brain Teaser 18
If there are three apples and you take away two,
how many do you have?
Two.
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Brain Teaser 19
If you have only one match and you walked into a
room where  there was an oil burner, a kerosene
lamp and a wood burning  stove. Which one
would you light first? 
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The Match 
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Brain Teaser 20
Two men play five games of checkers. Each man
wins the same  number of games. There are no
ties. Explain this. 
The two men weren't playing each other. 
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The two men weren't playing each other.