The worlds first riddle!

Statement 9 is only one that is true.

Digits: you can't complete it? If you put "1" part aside, then all other answers are "1", so there are 10 "1's", but when you write "10", that's eleventh 1. However, if you write 11, that's 12th 1. But, if you write 12, then you are not right because there are again 11 1's. Confusing

I believe this is 1000th post in this thread so I guess I deserve some kind of award

MyO wrote, "Statement 9 is only one that is true."
That may or may not be true. Answer tomorrow.

"Digits: you can't complete it?" Try working from 9 down. :wink:

"I believe this is 1000th post in this thread so I guess I deserve some kind of award"

I will put something in the post.

Statements: No, that's surely true. There might be some other correct answers, but mine is definitely one of correct (possibly only one)

There are ten statements. Statement 9 says that nine of those are untrue. And it works. Statement 9 is true and therefor all others ARE untrue.

Digits, you are right, I missed one catch

0 appears 1 time
1 appears 11 times
2 appears 2 times!
Every other number appears 1 time.

MyO;

0 appears 1 time
1 appears 11 times
2 appears 2 times!
Every other number appears 1 time.

Possibility 1:
The number of times the digit 0 appears in this puzzle is 1.
The number of times the digit 1 appears in this puzzle is 7.
The number of times the digit 2 appears in this puzzle is 3.
The number of times the digit 3 appears in this puzzle is 2.
The number of times the digit 4 appears in this puzzle is 1.
The number of times the digit 5 appears in this puzzle is 1.
The number of times the digit 6 appears in this puzzle is 1.
The number of times the digit 7 appears in this puzzle is 2.
The number of times the digit 8 appears in this puzzle is 1.
The number of times the digit 9 appears in this puzzle is 1.

Possibility 2:
The number of times the digit 0 appears in this puzzle is 1.
The number of times the digit 1 appears in this puzzle is 11.
The number of times the digit 2 appears in this puzzle is 2.
The number of times the digit 3 appears in this puzzle is 1.
The number of times the digit 4 appears in this puzzle is 1.
The number of times the digit 5 appears in this puzzle is 1.
The number of times the digit 6 appears in this puzzle is 1.
The number of times the digit 7 appears in this puzzle is 1.
The number of times the digit 8 appears in this puzzle is 1.
The number of times the digit 9 appears in this puzzle is 1.



MyO said, "There are ten statements. Statement 9 says that nine of those are untrue. And it works. Statement 9 is true and therefore all others ARE untrue."

The ten statements all contradict each other. So there can be at most one statement true. Now suppose there is no statement true. That would mean that statement 10 indeed would be true, which results in a contradiction. This means that exactly nine statements must be untrue, and thus only statement 9 is true.


A birthday must be cut into eight equally sized pieces.

The Question: How can the cake be cut into eight pieces with only 3 straight cuts

Consider a silver and a golden pot, one of them containing a treasure. Assume that you can determine from the text prints which pot contains the treasure.

The text prints on the pots are:
The silver pot: "This pot is empty."
The golden pot: "Exactly one of these texts is true."

The Question: Which pot contains the treasure


Consider a grid of size 4 x 4 (i.e. sixteen squares), where all squares should get a color. The colored grid should meet the following conditions:

•. 4 squares should be colored blue,
•. 3 squares should be colored red,
•. 3 squares should be colored white,
•. 3 squares should be colored green,
•. 3 squares should be colored yellow, and

•. no color may appear more than once in any horizontal, vertical, or diagonal line.

The Question: How can the grid be colored?

How can you cut a birthday?
I suppose you meant birthday cake...

Silver pot contains treasury.

The Question: How can the cake be cut into eight pieces with only 3 straight cuts



consider the cake as a cylinder. first of all cut the in halfs in a way that we have 2 cylinders left. (i you know what i mean?, the shape hasn't changed only the height) if we lay these two pieces above each other we can cut the cake in quarters leaving us 8 pieces

growing in communistic country and being "forced" to draw and paint red stars in school from early ages gives me unfair advantage but who cares

She must plant the trees in a shape of star with five points.

Btw, there's nothing wrong with your English in saying that you have to cut birthday Something is wrong with other things
You can't watch girls and typing at the same time

"Consider a grid of size 4 x 4 (i.e. sixteen squares), where all squares should get a color. The colored grid should meet the following conditions: "


[y][r][g]
[y][g][w]
[w][r][y]
[g][w][r]


Whim

diagonal line."

I am sorry, but it is back to the playpen for you. :wink:

"Notice there is an extra spot for a digit in the text. Are there still two solutions, or more?"

That is a very interesting point and requires some thought. In the meantime can you explain why your post required four edits?


Of all the numbers whose literal representations in capital letters consists only of straight line segments (for example, FIVE), only one number has a value equal to the number of segments used to write it.

The Question: Which number has this property

At last! A metric snail:
A snail is at the bottom of a 20 meters deep pit. Every day the snail climbs 5 meters upwards, but at night it slides 4 meters back downwards.

The Question: How many days does it take before the snail reaches the top of the pit

In the middle of a round pool lies a beautiful water-lily. The water-lily doubles in size every day. After exactly 20 days the complete pool will be covered by the lily.

The Question: After how many days will half of the pool be covered by the water-lily

Are the questions getting too easy for you? Well, bite this;

David and Angela play a game of tick-tack-toe. In this game, the players try to get three circles or three crosses in a row (horizontal, vertical, or diagonal).
They follow the following rules:

• A player always tries to win: if a player can place his own symbol (X or O) in a row which already contains two of his own symbols, he will do so.

• A player always tries to avoid that his opponent wins: if a player can place his own symbol (X or O) in a row which already contains two of the symbols of his opponent, he will do so.

Of course, the first rule has precedence over the second rule, because the game can be won in this way.

In the game shown, 6 moves have been done. David plays with crosses (X) and Angela plays with circles (0). However, we don't know who started the game.

The Question: Who will win this game

0|0|
0|X|
X|X|

Haha, I did not take diagonal in acount.


[w][r][g]
[g][y][w]
[y][w][r]
[r][g][y]


Whim

"Notice there is an extra spot for a digit in the text. Are there still two solutions, or more?"

That is a very interesting point and requires some thought. In the meantime can you explain why your post required four edits?

The follow-up question needed tweeking four times before I was satisfied with it.


Whim

TWENTY NINE

and snake will reach top at 16th day.

WITM_ITS

what is the missing Letter in this sequence?


whim

TWENTYNINE

nice.

I checked other languages up to 20
I could not find a translator for the scandinavian languages.

German, I found none
French, I found none
Italian, I found none
Spanish, I found none
Dutch, I found one => TIEN = 10


Whim

Quote MyO.
"TWENTY NINE"
"snake will reach top at 16th day" Snake! What happened to the Snail?

Whim.
"TWENTY NINE"
"Dutch, I found one => TIEN = 10" Nice.



Yesterday evening, Helen and her husband invited their neighbours (two couples) for a dinner at home. The six of them sat at a round table. Helen tells you the following:

• "Victor sat on the left of the woman who sat on the left of the man who sat on the left of Anna.

• Esther sat on the left of the man who sat on the left of the woman who sat on the left of the man who sat on the left of the woman who sat on the left of my husband.

• Jim sat on the left of the woman who sat on the left of Roger.

• I did not sit beside my husband."

The Question: What is the name of Helen's husband