Tags:
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, January 31, 2006
One more riddle
A word I know, six letters it contains. Subtract just one, and twelve is what remains.
Monday, January 30, 2006
Riddle me this?
What object has keys that open no locks, space but no room, and you can enter but not go in?
Tags: riddle
Sunday, January 29, 2006
Friday, January 27, 2006
Thursday, January 26, 2006
Heat things up
When I fill a balloon with water and I hold a burning candle underneath it for some time, the balloon will explode. True or False?
Wednesday, January 25, 2006
Race you to the bottom!
You have two cylinders with the same dimensions. The weight of both cylinders is identical. One is a massive wooden cylinder, the other one a tube made of iron. When you release them both at the same time on the top of a slope (1 meter at an angle of 45°), which one will be down first?
Tuesday, January 24, 2006
Monday, January 23, 2006
It's getting hot in here
You're sitting in a small room (2 by 2 meter). It's very hot in the room. Then you have an idea and you rush off to get a big refrigerator. You put it in the room, switch it on with the door open, thinking you'll be able to lower the temperature of the room. Will the temperature go down in the room?
Saturday, January 21, 2006
Can you get pi from e
I got this one from rec.puzzles. If you want to see some great answers, the link is part of the title.
Using only the constant e (the base of natural logarithms, 2.71828...) a
dozen times, plus addition, multiplication, subtraction, division,
exponentiation, and parentheses, create an expression that comes as close as
possible to the value of pi (3.14159...). Other operations or constants are
not allowed (no roots, absolute values, imaginary numbers, etc.). The
constant e must appear exactly twelve times.
For example:
(e+e+e+e+e+e)/(e+e)+e+e-e-e = 3
Which differs from pi by less than 0.15. I'm sure than someone can do
better.
Carl G.
Friday, January 20, 2006
What is it?
1)
S...W
R.....I
E...N
N
2)
AM: Live Live
PM: Die Die
3)
Mine = 456
His = 768
Hers = 523
Yours = 908
Now what phrase can you get from the rebus below?
4 7 5 8
5 6 2 0
6 8 3 9
4)
HO
HO
+HO
-----
5)
What phrase is represented below?
Sigh_
S...W
R.....I
E...N
N
2)
AM: Live Live
PM: Die Die
3)
Mine = 456
His = 768
Hers = 523
Yours = 908
Now what phrase can you get from the rebus below?
4 7 5 8
5 6 2 0
6 8 3 9
4)
HO
HO
+HO
-----
5)
What phrase is represented below?
Sigh_
Thursday, January 19, 2006
How many languages can you speak?
What is the one thing in the world that can speak all the languages?
Wednesday, January 18, 2006
12 in a dozen
Example: 12 = E in a D = 12 eggs in a dozen
12 = H to K
12 = I in a F
12 = J on a J
12 = L of H
12 = H to K
12 = I in a F
12 = J on a J
12 = L of H
Tuesday, January 17, 2006
Who am I?
I saw this one over at rec.puzzles. I don't know who the author is.
Google Groups : rec.puzzles:
Google Groups : rec.puzzles:
I leave home
I turn right
I turn left
I turn left
I turn left
Who am I?
Monday, January 16, 2006
Only three are good friends
Four friends were shown a number. Here's what they had to say:
Andy: It has two digits
Betty: It goes evenly into 150
Cathy: It is not 150
David: It is divisible by 25
It turns out that one (and only one) of the friends is lying. Which friend lied?
Andy: It has two digits
Betty: It goes evenly into 150
Cathy: It is not 150
David: It is divisible by 25
It turns out that one (and only one) of the friends is lying. Which friend lied?
Saturday, January 14, 2006
Logic Puzzle
Professions: doctor, attorney, nurse, teacher, student
Accessory: Necklace, Pin, earrings, ring, Bracelet
Jewel: Ruby, diamond, Garnet, Emerald, Sapphire
Names: Wanda, Julie, Sarah, Mary, Wilma
Five friends met together at a high school reunion. They chatted about old times as well as current issues. Each one in turn said what their profession was. One of the women was in college working on her master's degree in botony. At the reunion, they noticed that each of the women were wearing a piece of jewelry that was different from each other in funtion and the gemstone type. Two of the pieces were a ruby necklace and a sapphire bracelet. Match each person to their profession and piece of jewlery.
The attorney noticed that Julie's eyes exactly matched the color of the gemstone that she was wearing.
Wanda and Wilma chatted about old boyfriends they had. Wilma couldn't stop noticing the tennis braclet that Wanda was wearing.
Mary chatted politely to the two friends in the medical profession. How strange it seemed to her that they had both chosed to wear the same color gemstone.
The teacher explained that blue had always been her favorite color and that all her accessories had blue stones as well.
The attorney was not wearing the leaf pin accented with a one carat emerald. However, she noticed that that pin would coordinate with her ring with a leaf motif.
Sarah explained how her job as a nurse was very rewarding to her. She really enjoyed helping people in need. Her earrings glittered as she talked.
Accessory: Necklace, Pin, earrings, ring, Bracelet
Jewel: Ruby, diamond, Garnet, Emerald, Sapphire
Names: Wanda, Julie, Sarah, Mary, Wilma
Five friends met together at a high school reunion. They chatted about old times as well as current issues. Each one in turn said what their profession was. One of the women was in college working on her master's degree in botony. At the reunion, they noticed that each of the women were wearing a piece of jewelry that was different from each other in funtion and the gemstone type. Two of the pieces were a ruby necklace and a sapphire bracelet. Match each person to their profession and piece of jewlery.
The attorney noticed that Julie's eyes exactly matched the color of the gemstone that she was wearing.
Wanda and Wilma chatted about old boyfriends they had. Wilma couldn't stop noticing the tennis braclet that Wanda was wearing.
Mary chatted politely to the two friends in the medical profession. How strange it seemed to her that they had both chosed to wear the same color gemstone.
The teacher explained that blue had always been her favorite color and that all her accessories had blue stones as well.
The attorney was not wearing the leaf pin accented with a one carat emerald. However, she noticed that that pin would coordinate with her ring with a leaf motif.
Sarah explained how her job as a nurse was very rewarding to her. She really enjoyed helping people in need. Her earrings glittered as she talked.
Friday, January 13, 2006
Crack the code
Justin Case and Auntie Bellum are fellow con artists who deliver coded messages to each other to communicate. Recently Auntie Bellum was put in jail for stealing a rare and expensive diamond. Only a few days after this, Justin Case sent her a friendly letter asking her how she was. On the inside of the envelope of the letter, he hid a code. Yesterday, Auntie Bellum escaped and left the envelope and the letter inside the jail cell. The police did some research and found the code on the inside of the envelope, but they haven't been able to crack it. Could you help the police find out what the message is?
This is the code:
llwatchawtfeclocklnisksundialcirbetimersool
If you really want to cheat, I found this puzzle at braingle.
This is the code:
llwatchawtfeclocklnisksundialcirbetimersool
If you really want to cheat, I found this puzzle at braingle.
Thursday, January 12, 2006
Opposites
In the following code, each symbol stands for a one of five letters.
! stands for R, U, O, N, or V
? stands for U, D, L, W, or J
@ stands for A, G, P, E, or Y
; stands for O, M, I, C, or S
The four letter code word, @!;?, can be translated into two English words that are opposites. What are the two words?
! stands for R, U, O, N, or V
? stands for U, D, L, W, or J
@ stands for A, G, P, E, or Y
; stands for O, M, I, C, or S
The four letter code word, @!;?, can be translated into two English words that are opposites. What are the two words?
Tags: puzzle, riddle, brainteaser
Wednesday, January 11, 2006
Ticket to Ride
Each of the railroad stations in a certain area sells tickets to every other station on the line. This practice was continued when several new stations were added, and 52 additional sets of tickets had to be printed. How many stations were there originally, and how many new ones had to be added?
Tuesday, January 10, 2006
Monday, January 09, 2006
It's a gas
A woman was found dead in her room with the windows and door locked from the inside. She had died from being gassed. The gas fireplace had been left on. She had been seen entering the room by her sister. It was assumed she had accidently put the gas on and forgotten to light it and the death was ruled accidental. But, in fact, her husband had killed her. How did he do it?
Tags: whodunit
Sunday, January 08, 2006
This is trivia, not a riddle
A mother told her six-year-old daughter that her dog had been hit by a car and died. The little girl burst into tears. Half an hour later, the mother told her daughter the dog had not been hit by a car and was just fine. Why did the mother tell her daughter this? (and who was the daughter?)
Tags: trivia
Saturday, January 07, 2006
Extended Family
At a family reunion, it was found that the folowing relationships existed: Father, Mother, Son, Daughter, Uncle, Aunt, Brother, Sister, Cousin, Nephew, Niece. However, there were only four people present. How was this possible?
If you're from blogazoo, here's a gazoo for you!
If you're from blogazoo, here's a gazoo for you!
Friday, January 06, 2006
Speed of Light
Your light switch is all the way across the room from your bed. Yet, you are able to turn off your light switch, and then jump into bed before your room gets dark. There are no timers used. How can you do it?
Tags: riddle
Thursday, January 05, 2006
Over Medication
Millions of people buy a particular medicine. The disease for which the medicine is effective is one that these people have virtually no chance of catching. What do they buy?
Tags: riddle
Wednesday, January 04, 2006
Lazy Waiter
A man in a restaurant complained to the waiter there was a fly in his cup of coffee. The waiter apologized and promised to bring back a fresh cup. He returned a few moments later. The man tasted the coffee and complained again saying this was the same cup of coffee, the waiter had just removed the fly and returned with the same cup. How did he know?
Tuesday, January 03, 2006
The missing number
Can you discover the missing number in this series?
37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15
37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15
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