Graphical Rebus Two

What does this rebus represent?

Rebus

Castle on a Cloud

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Only Self-Enumerating Number

What is the only self-enumerating number in English?

Four. The number four has four letters, making it self-enumerating. Interestingly, there are no self-enumerating numbers in French.

Posted in Brain Teasers

To Be Gold Is Good

To be gold is to be good,
To be stone is to be nothing,
To be glass is to be fragile,
To be cold is to be cruel.

What am I?

A heart.

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What’s Nowhere But Everywhere

What’s nowhere but everywhere except where something is?

Nothing. (From Gotham)

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Cannot Hear or Even See

I cannot hear or even see,
But sense light and sounds there may be,
Sometimes I end up on a hook,
I can be combined with a book.

What am I?

A worm. Worms don’t have eyes or ears, but they can sense light and their bodies can detect vibrations in the ground. Fishers use worms as bait and the term bookwork is used for someone who loves to read.

Posted in Riddles

Alter By a Single Stroke

How can you alter the following equation by a single stroke to make it correct?

5 + 5 + 5 = 550

5 4 5 + 5 = 550

Add a diagonal line on the top left of the first plus sign to convert + into a 4. You could also put a slash through the equal sign to make ≠ (not equal) but that’s not as cool.

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Probability That Both Children Are Girls

Walking down the street one day, I met a woman strolling with her daughter. “What a lovely child,” I remarked. “In fact, I have a younger child as well,” she replied.

What is the probability that both of her children are girls?

1/2 probability. This has been know to cause raging debates and is known as one of the variations of the Boy or Girl paradox. This variation is more straightforward because knowing the position of the child leaves only two possibilities – the other child is a boy or a girl, each of which have a 1/2 probability.

Another variation of this can be found here.

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Odd Row Out

Which row is the odd one out?

A.KNQTWZ
B.BFJNRV
C.AFKPVZ
D.369121518
E.71115192327
F.131823283338

C is the odd row out.

In A two letters are skipped between each letter.
In B three letters are skipped between each letter.
In C four letters are skipped between each letter except V, which should be U.
The numbers in rows D, E and F follow the same pattern.

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What Is The Longest Word With Horizontal Symmetry

A word with horizontal symmetry is one whose letters are a mirror image of themselves. If you drew a horizontal line across the word and folded it over, it would overlap on itself. For example, EXCEEDED and ICEBOX have horizontal symmetry, but VERTICAL and SIMPLE do not.

What is the longest word with horizontal symmetry?

CHECKBOOK.

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Thin Barn Word Ladder

Get from the word THIN to BARN by changing one letter at a time and forming another English word in each step.

1. THIN
2. _ _ _ _
3. _ _ _ _
4. _ _ _ _
5. _ _ _ _
6. BARN

1. THIN
2. CHIN
3. COIN
4. CORN
5. BORN
6. BARN

Posted in Brain Teasers