Thursday, June 30, 2011

Brainteaser for June 30, 2011

Brainteaser for June 30, 2011

Question:
Some people believe that January 1, 2000 is the first day of the 21st century. Other people believe that the honor belongs to January 1, 2001. But everyone should agree that January 1, 2002 is the first "sum-day" of the new century- when you write out that date in stand ard notation, it becomes 01/01/02, and 1+1=2. More generally, a sum-day is a date in which the day and month add up to the year. With that in mind:

A) What is the last sum-day of the 21st century?

B) How many sum-days are there in the 21st century?

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Wednesday, June 29, 2011

Brainteaser for June 29, 2011

Brainteaser for June 29, 2011

Question:
Three dollar bills were exchanged for a certain number of nickels and the same number of dimes. How many nickels were there?

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Monday, June 27, 2011

Brainteaser for June 27, 2011

Brainteaser for June 27, 2011

Question:
Add the I three times to NHBT to make a common English word.

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Sunday, June 26, 2011

Brainteaser for June 26, 2011

Brainteaser for June 26, 2011

Question:
If Alicia is three times as old as Amy will be when Alex is as old as Alicia is now and Alex's age is a square number, who is the second oldest? What are their ages?

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Saturday, June 25, 2011

Brainteaser for June 25, 2011

Brainteaser for June 25, 2011

Question:
The combined ages of Robert and David are 44 and Robert is twice as old as David was when Robert was half as old as David will be when David is three times as old as Robert was when Robert was three times as old as David. Whew!!!! What a mouthful

How old is Robert?

*HINT* the answer is not a whole number.

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Friday, June 24, 2011

Brainteaser for June 24, 2011

Brainteaser for June 24, 2011

Question:
What is 1/2 of 1/4 of 2/9 of 3/7 of 84?

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Thursday, June 23, 2011

Brainteaser for June 23, 2011

Brainteaser for June 23, 2011

Question:
You are presented with three envelopes. Each envelope has two statements written on it. The statements on one envelope are both true; the statements on another are both false, and the remaining envelope has one statement that is true and one that is false.
Envelope 1:
1. The formula is not in here
2. The formula is in envelope 2

Envelope 2:
1. The formula is not in envelope 1
2. The formula is in envelope 3

Envelope 3.
1. The formula is not here
2. The formula is in envelope 1.

Which envelope contains the formula?

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Wednesday, June 22, 2011

Brainteaser for June 22, 2011

Brainteaser for June 22, 2011

Question:
After climbing a treacherous mountain over a period of several days, the exhausted explorer, adventurer, and escape artist Alabama Smith (remember him?) enters the cave of the great mystic Istumpumostofall. "Ah, Mr. Smith, I have been waiting for you," says the mystic. "I will give you some very vital information if you can tell me what the last number should be." Following the oracle's finger, Smith sees these eight words carved into the stone floor in front of him, with a number following each word except for the last one: grain 3 sorrow 4 preach 4 needle 3 cover 3 cusp 3 lobule 3 voodoo. After rubbing his head for a few minutes, he gives an answer, and the mystic tells him something that at first angers, but later relieves him.

Can you solve Istumpumostofall's puzzle?

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Monday, June 20, 2011

Brainteaser for June 20, 2011

Brainteaser for June 20, 2011

Question:
Without rearranging the letters, subtract one letter at a time from STRAIN in order to make a new word that is one letter shorter until you get a one letter word.

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Sunday, June 19, 2011

Brainteaser for June 19, 2011

Brainteaser for June 19, 2011

Question:
Thirteen boys and girls wait to take their seat in the same row of a movie theater. The row is thirteen seats long. They decide that after the first person sits down, the next has to sit next to the first. The third sits next to one of the first two, and so on until all thirteen are seated. In other words, no person except the first can take a seat with empty seats on both sides.

How many different ways can this be accomplished assuming that the first person can choose any of the thirteen seats?

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Saturday, June 18, 2011

Brainteaser for June 18, 2011

Brainteaser for June 18, 2011

Question:
You have two poles. One stands at 6ft. 6in the other at 7ft. 7in..
From the top of each pole tie a string to the bottom of the other. At what height do the two strings cross?
I will tell you that you have all the information you need, the distance betwee n the poles would make no difference to the answer were it two feet or 200 feet.

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Friday, June 17, 2011

Brainteaser for June 17, 2011

Brainteaser for June 17, 2011

Question:
We are brave sailors always riding the sea
We are less than one hundred but as tough as can be
We sleep in three bunkers on top of each other
Our numbers double from one bunker to another
We dance in joy all through the night
In groups of fives under the moonlight
Last night twelve of us were swallowed by waves
Leaving alive more than two third of the braves
Still we continue the journey refusing to fail
So tell me how many of us are left to sail?

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Thursday, June 16, 2011

Brainteaser for June 16, 2011

Brainteaser for June 16, 2011

Question:
Again Xanthius chose correctly and proceeded down the forest path until he came upon the third trial.
Here he was presented with three more paths. Again one leads to the next trial but the other two lead over two large hidden pits from which escape would be impo ssible.
Xanthius was told that one of the signs is false while the other two are true.

Sign A. Path B is the one to follow
Sign B. Path C is the one to follow unless it is path A.
Sign C. Neither A nor B is the correct path.

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Wednesday, June 15, 2011

Brainteaser for June 15, 2011

Brainteaser for June 15, 2011

Question:
What is the next number in the series?

100 100 90 72 50.4 30.24 ??

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Tuesday, June 14, 2011

Brainteaser for June 14, 2011

Brainteaser for June 14, 2011

Question:
An outdoor amphitheater holds 120 humans or 144 dwarves.

If 90 humans are in the amphitheater how many dwarves can be admitted?

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Monday, June 13, 2011

Brainteaser for June 13, 2011

Brainteaser for June 13, 2011

Question:
You and four friends have decided to split a bagel for breakfast. The five of you are not fussy about the size of the piece each recieves. In other words, they don't have to be equal.

Using two perfectly straight cuts, is it possible to divide the bagel into five pieces?

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Sunday, June 12, 2011

Brainteaser for June 12, 2011

Brainteaser for June 12, 2011

Question:
What number is four times one third of the number that is one sixteenth less than three thirty-seconds?

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Saturday, June 11, 2011

Brainteaser for June 11, 2011

Brainteaser for June 11, 2011

Question:
My first is in sugar but not in tea My second in swim but not in sea My third is in apple and also pear My fourth is in ring and also hare My last in ten but not in herd My whole a very complimentary word.

What am I?

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Friday, June 10, 2011

Brainteaser for June 10, 2011

Brainteaser for June 10, 2011

Question:
What three letter word can be placed in front of these words to make new words?

MAN HOUSE CAP AM

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Thursday, June 9, 2011

Brainteaser for June 9, 2011

Brainteaser for June 9, 2011

Question:
Guess the Number:

1. The number is greater than 7 x 6.
2. The number is less than 9 x 9.
3. The number is an odd number.
4. The number is a multiple of 7.
5. The difference of the digits is 3.

What is the number?

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Wednesday, June 8, 2011

Brainteaser for June 8, 2011

Brainteaser for June 8, 2011

Question:
John's mother told him to go to the river and get nine gallons of water. He was given a bucket that held 5 gallons, and one that held 6 gallons.

How can he get exactly 9 gallons of water?

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Tuesday, June 7, 2011

Brainteaser for June 7, 2011

Brainteaser for June 7, 2011

Question:
My first is a number my second another and each I assure you will rhyme with the other.
My first you will find is one-fifth of my second and truly my whole a long period reckoned.
Yet my first and my second (nay think not I cozen) When added together w ill make but two dozen.

How many am I?

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Monday, June 6, 2011

Brainteaser for June 6, 2011

Brainteaser for June 6, 2011

Question:
Math Chain:

Start with:126
Take three sevenths:??
Multiply by 5:??
Divide by 15:??
Multiply by 7:??
Subtract 159:??
Triple It:??
Add 663:??
Halve it:??
Divide by 6:??

What is the answer at the end of the chain?

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Sunday, June 5, 2011

Brainteaser for June 5, 2011

Brainteaser for June 5, 2011

Question:
Molly can build a fence in 2 days. Alex can build a fence in 3. Steve can build one in 6 days.

How long would it take if they all worked together?

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Saturday, June 4, 2011

Brainteaser for June 4, 2011

Brainteaser for June 4, 2011

Question:
Unscramble the following word.
Hint: it is a popular game.

B L A B S C E R

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Friday, June 3, 2011

Brainteaser for June 3, 2011

Brainteaser for June 3, 2011

Question:
Two small armies of ants meet head-on along a jungle path. Both armies would prefer to pass each other rather than fight. There is a small space to the side in the middle of the path.It is only large enough to hold one ant at a time, and the path is only large enough to move single file.

Is it possible for the armies to pass each other? If so, how?

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Thursday, June 2, 2011

Brainteaser for June 2, 2011

Brainteaser for June 2, 2011

Question:
When properly understood, the sequence of letters HIJKLMNO stands for what common liquid?

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Wednesday, June 1, 2011

Brainteaser for June 1, 2011

Brainteaser for June 1, 2011

Question:
There are five people. One of them shot and killed one of the other five. Which man is the murderer?

1. Dan ran in the NY City marathon yesterday with one of the innocent men.
2. Mike considered being a farmer before he moved to the city.
3. Jeff is a topnotch computer consultant and wants to install Ben's new computer next week.
4. The murderer had his leg amputated last month.
5. Ben met Jack for the first time six months ago.
6. Jack has been in seclusion since the crime.
7. Dan used to drink heavily.
8. Ben and Jeff built their last computers together.
9. The murderer is Jack's brother. They grew up together in Seattle.

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