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Riddle:

a muder had been suspected but the police did not know how the man had been killed since there had been no windows no doors no chairs no desks the was only a puddle left on the floor in the mans house and the man had been hung by a rope in the middle of the floor and underneth him hangin was a puddle .how did the man reach the ceiling with no promt to get hung up on the celing and why was there a puddle

Answer:

the man had waited on a ice cube and the ice cube had melted and left a puddle

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Riddle:

If place 1 cake of soap on a pan of a scale and 3/4 cake of soap and a 3/4-pound weight on the other, the pans balance.

How much does a cake of soap weigh?

Answer:

Since 1/4 cake weighs 3/4 pound, and entire cake weighs 3 pounds.

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Riddle:

An old parchment describes the location of buried treasure: "On the island there are only two trees, A and B, and the remains of a gallows. Start at the gallows and count the steps required to walk in a straight line to tree A. At the tree turn 90 degrees to the left and then walk forward the same number of steps. At the point where you top drive a spike into the ground. Now return to the gallows and walk in a straight line, counting your steps, to tree B. When you reach the tree, turn 90 degrees to the right and take the same number of steps forward, placing another spike at the point where you stop. Dig at the point exactly halfway between the spikes and you will find the treasure." However, our hero when he gets to the island finds the gallows missing. Is there any way he can still get to the treasure?

Answer:

A simple experiment with a ruler and paper shows that any position for the gallows leads to the same point.

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Riddle:

David is throwing Robert a surprise birthday party but he has to stay within his budget. He spent half of his money plus $2.00 on the cake. Half of what he had left plus $2.00 was spent on balloons and streamers. Then he spent half of what he had left plus $1.00 on candy. Now he is out of money, how much did he start with?

Answer:

This one is best solved working backwards, the last part David spent half of what was left plus $1.00 on candy and then was out of money. That means he must have spent $2.00 on Candy as $1.00 was half of what he had using the same logic backwards: $2.00 on candy $6.00 on Balloons and Streamers $12.00 on the cake Total of $20.00.

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Riddle:

Lauren and Alice are talking long distance on the phone. Lauren is in an East-Coast US state which borders the Atlantic Ocean, and Alice is in a West-Coast state which borders the Pacific Ocean. Lauren asks Alice: "What time is it?" Alice replies and Lauren says: "That's really odd. It's the same time here!" How can this be?

Answer:

Alice is in Eastern Oregon (in Mountain time) and Lauren is in Western Florida (in Central time). It is the night that daylight-savings time changes back to standard time any time after 1:00 and before 2:00 AM.

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Riddle:

I go up and down the stairs without moving.

What am I?

Answer:

I am a carpet

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Riddle:

Two women and two doctors walk into an ice cream parlor. They each order an ice cream cone. When their ice creams come, there is only 1 strawberry,1 chocolate and 1 vanilla.

How come they didn't complain?

Answer:

One of the women was a doctor!

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Riddle:

I have three envelopes, into one of them I put a $20 note. I lay the envelopes out on a table in front of me and allow you to pick one envelope. You hold but do not open this envelope. I then take one of the envelopes from the table, demonstrate to you that it was empty, screw it up and throw it away. The question is would you rather stick with the envelope you have selected or exchange it for the one on the table. Why? What would be the expected value to you of the exchange?

Answer:

The answer might seem a little counter intuitive at first but we'll see...
The short answer is that it is in your advantage to exchange. But why?
Well initially there was a 1/3 chance that you were holding the envelope with the note in it and a 2/3 chance that the note was on the table.
This is still the case after one of the envelopes on the table has been removed, there is still a 1/3 chance that you have the note and a 2/3 chance of it being on the table.
If this is confusing then it may help to think that the questioner knows which envelope the $20 note is in, though in practice it doesn't actually matter. The questioner would always be able to demonstrate that the note was not in one of the envelopes on the table regardless of where the note was, so the fact that he was able to do this changes nothing.
Consider a different example....
Say there are a 1000 envelopes on the table, 1 with a note inside. You pick 1 envelope, the chance that this has the note in it is clearly 1/1000, where as the chance that it is still on the table is 999/1000. Odds are its on the table. Now the questioner could, assuming he can remember where the note is demonstrate to you that the note is not in 998 of the envelopes on the table. In this case nothing would have happened to change the fact that there is only a 1/1000 chance of you having the note.
That is why you exchange.
What is the value of the exchange?
Simply before the exchange you have 1/3 of $20 and afterwards you will have 2/3 of $20, ie the advantage to you is about $6.66

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Riddle:

If the date of the last Saturday of last month and the first Sunday of this month do not add up to 33, what month are you in?

Answer:

The same month you are reading this.

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Riddle:

You are in a room that is completly bricked in on all four sides, including the cieling and floor. You have nothing but a mirror and a wooden table in the room with you.

How do you get out?

Answer:

You look in the mirror you see what you saw, you take the saw and you cut the table in half, two halfs make a whole, and you climb out the hole. 

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