Grow In Trees and Have No Teeth

I grow in trees, eat living things but have no teeth and give birth to something that looks nothing like me. What am I?

A bird. They are hatched and raised in trees (nests), don’t have teeth in the traditional meaning of teeth and they lay eggs, which look nothing like a bird.

A butterfly / caterpillar could also work.

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Ten Times Two is 0218

10 × 2 = 0218
20 × 2 = 1421
30 × 2 = 1632
40 × 2 = ?

2840.

This makes the first column the start of the Fibonacci series: 0, 1, 1, 2.
The second column is the even numbers: 2, 4, 6, 8
The third column is counting up by ones: 1, 2, 3, 4
And the last column is the answer in the first row in reverse: 8, 1, 2, 0.

Don’t ask what 50 × 2 equals. I have no idea. :)

Thanks to Jim for helping with the solution.

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It Cannot Be Seen and Weighs Nothing

It cannot be seen, it weighs nothing, but when put into a barrel, it makes it lighter. What is it?

A hole.

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Wolves and Owls

You are in the woods with owls and wolves. There are 22 eyes and 32 legs. How many owls and wolves are there?

5 owls and 5 wolves, (not 6 owls because 2 of the eyes and legs are yours).

2 * owls + 2 * wolves = 20 eyes
2 * owls + 4 * wolves = 30 legs
owls + wolves = 10 eyes → owls = 10 – wolves
owls + 2 * wolves = 15 → 10 – wolves + 2 * wolves = 15 → wolves = 5
owls + 5 = 10 → owls = 5

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A Room With No Windows

You are in a room with no windows, doors or any exit. The only items are a mirror and a table. How do you escape?

Hint: This is not a typical brain teaser.

Look in the mirror, then at the wall and back at the mirror to see what you saw. Use the saw to cut the table in half and join the two halves to make a whole. Put the “hole” on the wall and climb out.

I know, it’s lame. I like to have brain teasers that you can realistically guess, but this one’s so popular, I feel an obligation to include it.

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Passes Before The Sun

What passes before the sun but makes no shadow?

Air.

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Five Letters Sound Like Six When Pronounced

What five-letter word sounds like six letters when pronounced?

Cello. The pronunciation of c is ‘ch’, making it sound like the word has 6 letters.

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Pronounced Right or Wrong

What word when pronounced wrong is right but when pronounced right is wrong?

The answer is the word “wrong”. When it’s pronounced “wrong” (rhyming with song) that’s the correct pronunciation. However, if you were to pronounce the word as “right” (rhyming with night) that would be an incorrect pronunciation and be wrong.

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Area, Death, Kick

What word can be added before or after these words to make a new word or phrase?

Area, Death, Kick

Penalty. Penalty area, Death penalty, Penalty kick.

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An Eye In a Blue Face

An eye in a blue face
Saw an eye in a green face.
“That eye is like to this eye”
Said the first eye,
“But in low place,
Not in high place.”

A daisy in the grass. The big eye is the sun.

This is from J.R.R Tolkien’s The Hobbit.

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