1.  Professor Frostbite was in Antartica gathering climate data which he 
relayed to his home base by radio.  One morning he reported the temperature as 
minus forty degrees.  The person receiving the data was a new operator and he 
asked the professor if that was farenheit or celcius.  The professor replied, I 
don't care which scale you use, just be sure to get it down that it reached 
minus 40. 

Why would an emminent scientist be so careless about his data?
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2.  There are two ships of equal size and strength.  One is made of wood and 
the other of steel.  Can you tell which one is heavier and why?
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3.  It takes Clinton three hours to paint a fence.  It takes his little brother 
Paul six hours to paint the same sized fence.  Their mother wants them both to 
paint the fence.  How long should it take them if they both work at their 
normal speed.
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4.  NASA was considering sending canaries in space to study them under zero 
gravity.  They changed their minds when someone pointed out that no matter how 
much water they provided for the canaries, the birds would quickly die of 
dehydration.  Why?
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5.  John F. Kennedy was the youngest person elected to the presidency.  How did 
it come about that he was actually the second youngest man to hold this office?
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6.  In Hawaii, if you drop a steel ball weighing five pounds from a height of 
45 inches, will it fall more rapidly through water at 20 degrees Fahrenheit of 
water at 40 degrees Fahrenheit.  Or will it make no difference?
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7.  A man and his son who are walking together, step out with their right feet 
first.  The boy walks three paces to cover the same distance that the man 
covers in two.  When will they both put their left feet forward together?
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8.  Picture an empty wine bottle with a cork secured at the top in the usual 
way.  Inside the bottle a metal ring hangs suspended by a string.  How is it 
possible to make the ring drop to the bottom of the bottle without touching the 
ring, the thread, the cork or the bottle.
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9.  You are a prisoner sentenced to death.  The Emperor offers you a chance to 
live by playing a simple game.  He gives you 50 black marbles, 50 white marbles 
and 2 empty bowls.  He then says, "Divide these 100 marbles into these 2 bowls.
You can divide them any way you like as long as you use all the marbles.  Then 
I will blind-fold you and mix the bowls around.  You then can choose one bowl 
and remove ONE marble.  If the marble is WHITE you will live, but if the marble 
is BLACK... you will die." 

How do you divide the marbles up so that you have the greatest probability of 
choosing a WHITE marble?
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10.  A man is sitting in a pub feeling rather poor.  He sees the man next to 
him pull a wad of £50 notes out of his wallet.  He turns to the rich man and 
says to him, "I have an amazing talent, I know almost every song that has ever 
existed."  The rich man laughs.  The poor man says "I am willing to bet you all 
the money you have in your wallet that I can sing a genuine song with a lady's 
name of your choice in it."

The rich man laughs again and says, "Ok, how about my daughter’s name, Joanna 
Armstrong-Miller." 

The rich man goes home poor.  The poor man goes home rich. 

What song did he sing?
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11.  One day a father went to his three sons and told them that he would die 
soon and he needed to decide which one of them to give his property to.  He 
decided to give them all a test.  He said, "Go to the market my sons and 
purchase something that is large enough to fill my bedroom, but small enough to 
fit in your pocket.  From this I will decide who of you is the wisest and 
worthy enough to inherit my land."  So they all went to the market and bought 
something that they thought would fill the room, yet was still small enough 
that they could fit into their pockets. Each son came back with a different 
item.  The father told his sons to come into his bedroom one at a time and try 
to fill up his bedroom with whatever they had purchased.  The first son came in 
and put some pieces of cloth that he had bought and laid them end to end across 
the room, but it barely covered any of the floor.  Then the second son came in 
and laid some hay, that he had purchased, on the floor but there was only 
enough to cover half of the floor.  The third son came in and showed his father 
what he had purchased and how it could fill the entire room yet still fit into 
his pocket.  The father replied "You are truly the wisest of all and you shall 
receive my property."  What was it that the son had showed to his father?
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12.  Imagine you are in a sinking rowboat surrounded by sharks.  How would you 
survive?
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13.  A man walks into a room, turns around and walks out the same door he went 
in.  When he gets out, he is in a different room than when he started.  How is 
this possible?
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14.  The higher I climb, the hotter I engage.  I can not escape my crystal 
cage.  What am I?
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15.  Removing an appendix is called an appendectomy, and removing tonsils is 
called a tonsilectomy.  What is it called when they remove a growth from your head?
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16.  A man was found murdered on Sunday morning.  His wife immediately called 
the police.  The police questioned the wife and staff and got these alibis: 

The Wife said she was sleeping. 
The Cook was cooking breakfast. 
The Gardener was picking vegetables. 
The Maid was getting the mail. 
The Butler was cleaning the closet. 

The police instantly arrested the murderer.  Who did it and how did they know?
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ANSWERS:
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1.  Minus forty degrees is the only place where the two scales read the same 
temperature.  Minus 40 degrees celcius is exactly the same as minus 40 
farenheit.
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2. The ship made of wood is heavier.  Pound for pound, steel is heavier than 
wood.  If you want the wood ship to be as strong as the steel one, it will take 
a lot more material.
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3.  Two hours.  Clinton can complete 1/3 of the fence in the first hour, while 
Paul completes 1/6 of the fence.  After two hours, Clinton has painted 2/3 of 
the fence, and Paul has painted 2/6 or 1/3 of the fence.  So the whole job is 
completed in two hours.
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4.  Most birds require gravity to swallow.  Humans can swallow even while 
hanging upside down.  But canaries need to take a beakful of water and hold up 
their heads, allowing gravity to take the water down their throats.
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5.  Theodore Roosevelt assumed the position because of a death.  John F. 
Kennedy was 43 when he was elected to the office.  Vice-President Theodore 
Roosevelt, however, was 42 years of age when he was sworn in as President after 
the assassination of President McKinley.
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6.  The ball will fall more rapidly through water at 40 degrees Fahrenheit.  At 
20 degrees Fahrenheit the water would be ice
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7.  Never.  Every second cycle, their right feet will go forward together, but 
never their left.
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8.  By using a magnifying glass and the sun's rays you can burn through the 
string and consequently cause the ring to drop to the bottom of the bottle.
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9.  Place 1 white marble in one bowl, and place the rest of the marbles in the 
other bowl (49 whites, and 50 blacks).  Place the black marbles in the bowl 
first and cover them with the white ones.  This way you begin with a 50/50 
chance of choosing the bowl with just one white marble, therefore life!  BUT 
even if you choose the other bowl, you still have a good chance at picking one 
of the 49 white marbles.
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10.  Happy Birthday
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11.  The son had shown his father a match.  Whenever he lit the match, it 
filled the entire room with light, yet it was still small enough to fit into 
his pocket.
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12.  Stop imagining.
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13.  He walked into an elevator.
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14.  Mercury in a thermometer
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15.  A haircut
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16.  It was the Maid.  She said she was getting the mail.  There is no mail on 
Sunday.