I'm posting one puzzle, riddle, math, or statistical problem a day. Try to answer each one and post your answers in the comments section. I'll post the answer the next day. Even if you have the same answer as someone else, feel free to put up your answer, too!
Tuesday, August 11, 2009
Nationwide Exam
Thirty-two students took a nationwide exam and all the students from Indiana passed it. If the students from Indiana made up exactly 5% of the total number of students that passed the test, how many students passed it and how many students were from Indiana?
Monday, August 10, 2009
Map Trivia
If you look at a map of South Dakota where it borders Montana, you will see a straight line with a kink of about one mile. Everywhere else the border is a straight line. The kink does not benefit any local landowner, and no other states are involved.
Why is the kink there?
Why is the kink there?
Friday, August 07, 2009
Sticks and Stones
Which of these anagrams does not belong?
ibiat
emorfar
emruf
altepal
srumueh
ibiat
emorfar
emruf
altepal
srumueh
Thursday, August 06, 2009
Stand Your Ground
Two sentries were on duty outside a barracks. One faced up the road to watch for anyoe approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"
How did he know that his companion was smiling?
How did he know that his companion was smiling?
Wednesday, August 05, 2009
It Took Me Months to Solve This One
The following sets of letters are related in a way known to most people. Can you find the missing letters?
ON
DJ
FM
AM
??
ON
DJ
FM
AM
??
Tuesday, August 04, 2009
What is the Value of F
What is the value of F in the following system?
A + B = Z
Z + P = T
T + A = F
B + P + F = 30
A = 8
A + B = Z
Z + P = T
T + A = F
B + P + F = 30
A = 8
Monday, August 03, 2009
Game of Cards?
You have three cards: an ace, a queen, and a six. One is a diamond, one is a heart, and one is a spade, although not necessarily in that order.
The diamond sits between the queen and the heart.
The six is immediately to the right of the spade.
Put the cards in the correct order in your answer below.
The diamond sits between the queen and the heart.
The six is immediately to the right of the spade.
Put the cards in the correct order in your answer below.
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