I Was Not Born

I was not born, but I am here.
I have no name, but I am given many.
I was made by science and life.

What am I?

A clone.

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Son of Water

You eat something you neither plant nor plow.
It is the son of water, but if water touches it, it dies.

Salt. It comes from saltwater but salt melts ice (the solid form of water).

Posted in Riddles

Rude Otto

Hannah, Otto, Todd and Eve were walking down the street. Suddenly Otto rudely told Todd he was an outsider and didn’t belong. What made Todd different?

Todd is not a palindrome.

Posted in Brain Teasers

Stan’s Birthday

Phil asks his friend Stan when his birthday is. Stan replies that he was 32 the day before yesterday and next year he’ll be 35. When is his birthday and how is this possible?

Today is Jan 1st and his birthday is on December 31st. He was 32, then turned 33 on Dec 31st, and this year on Dec 31st he’ll turn 34, so next year he’ll be 35.

Posted in Brain Teasers

How to Stay Dry?

A group of ten people are going out for pizza but only two of them have an umbrella to keep them dry. Somehow they are able to walk all the way to the pizza place without getting wet. How?

It’s not raining.

Posted in Brain Teasers

Quick Mental Math

Solve this math problem in your head. Divide 30 by a half, then add 10.

70. It’s not 25 because dividing by a half is the same as multiplying by 2.

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Show Your Work

Solve this one carefully!

230 – 220 x 0.5 = ?

You probably won’t believe it, but the answer is 5! How can this be true?

The answer is 120, and 5! = 5 × 4 × 3 × 2 × 1 = 120

Credit to John May for this one.

Posted in Brain Teasers

Four Cards

Four cards are placed in front of you on the table, each with a number on one side and a color on the other. The visible cards show 3, 8, red and brown. Which cards should you turn over in order to test the truth of the statement that if a card shows an even number on one face, then its opposite face is red?

four-cards

You’d need to turn over only the 8 and brown card. Only a card with an even number on one face and which is not red on the other face can invalidate the stated rule. If you turn over the 3 card and it’s not red, it doesn’t invalidate the rule, nor does turning over the red card and finding it has the label 3.

This test was devised by Peter Cathcart Wason and is known as the Wason selection task. Less than 10% of test subjects got it correct in two separate studies.

Posted in Brain Teasers

Number Abbreviations

What do these represent?

24 = HiaD
26 = LotA
7 = DotW
9 = LoaC
12 = SotZ
88 = PK

24 hours in a day
26 letters of the alphabet
7 days of the week
9 lives of a cat
12 signs of the Zodiac
88 piano keys

Posted in Brain Teasers

I Start Out The Same As Others

I start out the same as others,
Then grow to four legs and four arms,
And two hearts beat inside,
Until the separation.

What am I?

A pregnant woman is like other women, then the baby forms, and then is delivered.

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