Sunday, February 28, 2010

Brainteaser for February 28, 2010

Brainteaser for February 28, 2010

Question:
Insert any of these mathematical signs + - X / and () between any of teh numbers on the left side of the equation to make the equation true. You can join numbers on the left together without a sign between them to make a two or 3 digit number.

4 8 5 7 = 333

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Saturday, February 27, 2010

Brainteaser for February 27, 2010

Brainteaser for February 27, 2010

Question:
The story goes that the harem of the Great Tamerlan was protected by a door with many locks.
His visier and four slaves were in charge of guarding the door.
Knowing well the weakness of men the Great Tamerlan distributed the keys in such a way the vizier could only opeen the door if he was with any one of the slaves and the slaves could only open the door if the three of them worked together.

How many locks did the door have?

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Friday, February 26, 2010

Brainteaser for February 26, 2010

Brainteaser for February 26, 2010

Question:
What are the next 2 numbers in the series?

5 8 26 48 122 ??? ???

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Thursday, February 25, 2010

Brainteaser for February 25, 2010

Brainteaser for February 25, 2010

Question:
Guess the Number:

1. The number is greater than 6 x 9.
2. The number is less than 8 x 9.
3. The tens digit is smaller than the units digit.
4. The units digit is odd.
5. The difference of the digits is 4.

What is the number?

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Wednesday, February 24, 2010

Brainteaser for February 24, 2010

Brainteaser for February 24, 2010

Question:
What is the five-digit number with no zeros and no repeated numbers in which the second digit is two times the first the third is three times the second the fourth is four times the first and the last is one-half more than the second.

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Tuesday, February 23, 2010

Brainteaser for February 23, 2010

Brainteaser for February 23, 2010

Question:
" I once met a strange young man named Bob. What was strange about Bob was that he always lied on Monday's but told teh truth the other six days of the week. One day he told me ""Either today is Monday or I am married"". I told you he was strange but can you tel l me if it was really Monday and if he was married or not? "

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Monday, February 22, 2010

Brainteaser for February 22, 2010

Brainteaser for February 22, 2010

Question:
All the vowels A E I O U but not Y have been removed from the following proverb. The remaining letters have been kept in their proper order but put in groups of three letters each.

What is the well known proverb?

BRD SFF THR FLC KTG THR

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Sunday, February 21, 2010

Brainteaser for February 21, 2010

Brainteaser for February 21, 2010

Question:
Math Chain:

Start with:196
Take the Square root:??
Triple It:??
Add 183:??
Take four fifths:??
Subtract 96:??
Multiply by 6:??
Halve it:??
Subtract 177:??
Multiply by 7:??

What is the answer at the end of the chain?

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Saturday, February 20, 2010

Brainteaser for February 20, 2010

Brainteaser for February 20, 2010

Question:
Consider two cans, the first containing one liter of milk, the second containing one liter of water. Suppose you take one cup of milk out of the first can and pour it into the second can. After mixing you take one cup of the mixture from the second can and pour it back into the first can.

Is there more milk in the water container than there is water in the milk container?

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Friday, February 19, 2010

Brainteaser for February 19, 2010

Brainteaser for February 19, 2010

Question:
Melissa and David were racing. David beat Melissa by 10 Metres in a 100 Metre race. Melissa suggested that they race again but this time David Start 10 Metres behind her and the original starting line.

Who won?

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Thursday, February 18, 2010

Brainteaser for February 18, 2010

Brainteaser for February 18, 2010

Question:
Jane asked me to buy one-cent, two-cent three-cent, five-cent, and ten-cent stamps. She said to get four each of two sorts and three each of the others but I've forgotten which. She gave me exactly enough to buy them; just these dimes.

How many s tamps of each type does Jane want? (A dime is worth ten cents.)

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Wednesday, February 17, 2010

Brainteaser for February 17, 2010

Brainteaser for February 17, 2010

Question:
A hunting party of several men had to cross a river. There was no bridge, and it was much to deep wade across. Just as they were about to give up along came two children in a small rowboat. The boat was two small for 2 men or even 1 man and 1 child. They did no t have any rope or material long enough to span the river.

How could they get all the men across?

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Friday, February 12, 2010

Brainteaser for February 12, 2010

Brainteaser for February 12, 2010

Question:
Math Chain:

Start with:198
Take three ninths:??
Divide by 3:??
Multiply by 5:??
Take 80 percent:??
Add 166:??
Halve it:??
Multiply by 3:??
Subtract 267:??
Take two thirds:??

What is the answer at the end of the chain?

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Thursday, February 11, 2010

Brainteaser for February 11, 2010

Brainteaser for February 11, 2010

Question:
A customer at a 7-11 store selected four items to buy and was told that the cost was $7.11. He was curious that the cost was the same as the store name so he inquired as to how the figure was derived. The clerk said that he had simply multiplied the prices of t he four individual items. The customer protested that the four prices should have been ADDED not MULTIPLIED. The clerk said that that was OK with him, but the result was still the same: exactly $7.11.

What was the cost of the four items.

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Wednesday, February 10, 2010

Brainteaser for February 10, 2010

Brainteaser for February 10, 2010

Question:
Our planet spins counterclockwise on it's axis and revolves around the sun counterclockwise. If both were switched to clockwise, how would this affect the apparent direction of sunrise and sunset?

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Tuesday, February 9, 2010

Brainteaser for February 9, 2010

Brainteaser for February 9, 2010

Question:
Guess the Number:

1. The number is greater than the number of inches in a yard.
2. The number is less than than the total number of days in May and June.
3. The number is an odd number.
4. The sum of the digits is greater than the number of pennies in a dime.
5. The sum of the digits is an odd number.
6. The difference in the digits is 5.

What is the number?

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Monday, February 8, 2010

Brainteaser for February 8, 2010

Brainteaser for February 8, 2010

Question:
Math Chain:

Start with:91
Take three sevenths:??
Multiply by 4:??
Divide by 3:??
Add 144:??
Take the Square root:??
Multiply by 5:??
Take 60 percent:??
Divide by 3:??
Multiply by 7:??

What is the answer at the end of the chain?

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Sunday, February 7, 2010

Brainteaser for February 7, 2010

Brainteaser for February 7, 2010

Question:
There are seven players on a coed volleyball team. After an exhausting game, each girl drinks 4 cups of water. each boy drinks 7 cups of water. The coach drinks 9. A total of 43 cups of water are consumed.

How many boys and how many girls are on the team.
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Saturday, February 6, 2010

Brainteaser for February 6, 2010

Question:
Can you think of 10 parts of the human body that have only three letters in their name?

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Brainteaser for February 6, 2010

Question:

Can you think of 10 parts of the human body that have only three letters in their name?

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Friday, February 5, 2010

Brainteaser for February 5, 2010

Question:

The ages of a father and son add up to 66. The father's age is the son's age reversed.

How old are they?

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Thursday, February 4, 2010

Brainteaser for February 4, 2010

Question:

I am a word of 11 letters.
My 4 9 5 is worn on the head.
My 10 9 1 11 is a narrow road.
My 11 2 3 4 5 is a number.
My 8 6 7 is a spirit.
My whole is an excellent songster.

What am I?

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Wednesday, February 3, 2010

Brainteaser for February 3, 2010

Question:

Michelle rents a car to take her to the airport in the morning and return her home that evening. Halfway to the airport, she picks up a friend who accompanies here to the airport. That night, she and her friend return back to Michelle's home. The total cost is $20.

If the amount to be paid is to be split fairly, what portion should Michelle pay?

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Tuesday, February 2, 2010

Brainteaser for February 2, 2010

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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Monday, February 1, 2010

Brainteaser for February 1, 2010

Question:

How many flowers do I have if all of them are roses except two, all of them are tulips except two, and all of them are daisies except two?

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