Friday, February 26, 2010

Thursday, February 25, 2010

Speaks Without a Mouth

Lives without a body, hears without ears, speaks without a mouth, to which the air alone gives birth.

Wednesday, February 24, 2010

Not Sure I Get It

When one does not know what it is, then it is something; but when one knows what it is, then it is nothing.

Tuesday, February 23, 2010

Monday, February 22, 2010

In Celebration of the Gold Medals

The sun bakes them, the hand breaks them, the foot treads on them, and the mouth tastes them. What are they?

Friday, February 19, 2010

52 Card Pickup

A standard pack of cards is thrown into the air in such a way that each card, independently, is equally likely to land face up or face down. The total value of the cards which landed face up is then calculated. (Card values are assigned as follows: Ace=1, 2=2, ... , 10=10, Jack=11, Queen=12, King=13. There are no jokers.)

What is the probability that the total value is divisible by 13?

Thursday, February 18, 2010

Buffalo buffalo

What's so special about the following sentence?

"Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo."

Wednesday, February 17, 2010

Not Made By Man

Neither the sun or the moon or the stars,
not made by man,
yet lights up the fields.

What am I?

Tuesday, February 16, 2010

Nothing Like a Little Vacation Week

What is it that we all search for,
yet, when we find it,
we are not aware of it?

Thursday, February 11, 2010

Not Exactly Rubiks Cube

Twenty-seven identical white cubes are assembled into a single cube, the outside of which is painted black.  The cube is then disassembled and the smaller cubes thoroughly shuffled in a bag.  A blindfolded man (who cannot feel the paint) reassembles the pieces into a cube.  What is the probability that the outside of this cube is completely black?

Wednesday, February 10, 2010

Snowing in Centimeters

It snowed yesterday in New York, Winnipeg, Boston, and Toronto. Each city had a different amount of snow accumulation. Figure out how much it snowed in each city.

Assume 1 inch = 2.54 centimeters.
(numbers in clues are rounded to the nearest hundredth)
  1. Boston and Winnipeg had a total accumulation of thirty-six and thirty-two hundredths centimeters.
  2. New York and Winnipeg had a total accumulation of thirty-three and seventy-eight hundredths centimeters.
  3. Winnipeg had two times more snow than Toronto.
  4. New York and Toronto had a total accumulation of ten and fifteen hundredths inches.

Tuesday, February 09, 2010

Check, Please

A confused bank teller transposed the dollars and cents when he cashed a check for Ms Smith, giving her dollars instead of cents and cents instead of dollars. After buying a newspaper for 50 cents, Ms Smith noticed that she had left exactly three times as much as the original check. What was the amount of the check?

Monday, February 08, 2010

Urn is Such a Funny Word

An urn contains a number of colored balls, with equal numbers of each color. Adding 20 balls of a new color to the urn would not change the probability of drawing (without replacement) two balls of the same color.

How many balls are in the urn? (Before the extra balls are added.)

Friday, February 05, 2010

Friday Morning and I Need a Joke

If an airplane crashed exactly on the border of France and Germany, where would the survivors be buried?

Thursday, February 04, 2010

Can You Hear the Call

Which of these do not belong?
  • puffin
  • siskin
  • calabash
  • mallard
  • merlin
  • goshawk

Wednesday, February 03, 2010

Canoe Logic

Four adventurers (Alex, Brook, Chris and Dusty) need to cross a river in a small canoe.

The canoe can only carry 100kg.

Alex weighs 90kg, Brook weighs 80kg, Chris weighs 60kg and Dusty weighs 40 kg, and they have 20kg of supplies.

How do they get across?

Tuesday, February 02, 2010

How Did You Know There Were Fifty Coins?

Mary had a coin purse with fifty coins, totaling exactly $1.00.  Unfortunately, while counting her change, she dropped one coin.  What is the probability that it was a penny?

Monday, February 01, 2010

From 18 to 29

Seems like a good day to equate things:

18 = H on a G C.
20 = F O in a P.
20 = H in a T.
21 = G S.
21 = D on a D.
23 = P of C in H.
24 = H in a D.
24 = C in P G.
26 = L of the A.
27 = B in the N T.
29 = D in F in a L Y.
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