The Pattern of Numbers

These series follow a pattern.
2 4 8
1 17 476
65 20987 3571890

This series does not follow the pattern
18 79 45

What is the pattern?

The numbers must be in ascending order. This can be a fun one to have people work out in person, as they test out three-number series and you can tell them whether or not they satisfy the pattern.

Thanks to Patrick for sending this in and thanks to this video from Veritasium for inspiring Patrick.

Posted in Brain Teasers

A Blank Old Woman

Fill in the blanks with the same 4 letters to make 5 different words.

A ____ old woman on ____ bent, picked up her ____ and away she went. “____ my son” she was heard to say, “what shall we do to ____ today?”

A vile old woman on evil bent, picked up her veil and away she went. “Levi my son” she was heard to say, “what shall we do to live today?”

Posted in Brain Teasers

A Duck

There are two ducks in front of a duck, two ducks behind a duck and a duck in the middle. How many ducks are there in total?

Three. They’re all in a row, so ducks 1 and 2 are in front of duck 3, ducks 2 and 3 are behind duck 1 and duck 2 is in the middle.

Posted in Brain Teasers

What is the secret to this?

What is the secret to this?

A1
C1
E3
H3

What comes next?

I2.

Each entry is a letter, in alphabetical order starting with A, followed by the number of occurrences of that letter in the phrase “What is the secret to this”.

There’s one ‘a’, thus we get A1. There are no ‘b’s so it doesn’t appear, then there’s one ‘c’, and so on.

Posted in Brain Teasers

What Can You Add to One To Make It Go Away?

What can you add to one to make it go away?

The letter g. Then it’s gone.

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3661 Seconds Past Midnight

What is special about 3,661 seconds past midnight on January 1, 2001?

At the 3,661st second, the time and date can be written 01:01:01 01/01/01.

That is one cool date :)

Posted in Brain Teasers

Liquid In Nature

I am liquid in nature,
But don’t bend me to far,
For then I may break
And give you a scar.

What am I?

Glass. Technically, glass is an amorphous solid, but that doesn’t have the same ring to it.

Posted in Riddles
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An Apparition

Two people were in a house. No one came in or went out, but then there were three people. What happened?

The two people were a husband and an expectant wife, who gave birth to her baby.

Posted in Brain Teasers

One Am I, Among Six Others

One am I, among six others:
Largest, smallest,
Cold, dark
and two brothers.

Who am I

Europe. Europe is the one among six other continents.

2. North America
3. South America
4. Asia
5. Australia
6. Africa
7. Antarctica

Asia is the largest, Australia is the smallest. Antarctica is cold, Africa is dark-skinned and the Americas are brothers.

This was is said to be written by Lewis Carroll, the pen name of Charles Lutwidge Dodgson, known for writing Alice’s Adventures in Wonderland.

Posted in Riddles

Humans and Animals

I am important to both human beings and animals. Both search for me but it is hard to find me. I travel to benefit them. What am I?

A scent or smell. A scent is important to both humans and animals and both search for scents (for different reasons). A scent travels through the air to benefit humans and animals, again, for different reasons.

Special thanks to Vavessa for the answer to this one.

Posted in Riddles