Brain Teasers »

The “Infinite Profit” Puzzle

The “Infinite Profit” Puzzle

Relatively Interesting August 1, 2016 0

Let’s say I put $20 in a box. Now you do the same. The box now contains $40, and we’re both aware of this fact. Now, I sell you the box for $30. We

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Einstein’s Riddle:  Are you part of the 2% that can solve it?

Einstein’s Riddle: Are you part of the 2% that can solve it?

Relatively Interesting April 7, 2016 1

It is said Albert Einstein created a puzzle when he was only a child and it was so difficult that only 2% of the world’s population had the mental ability to solve it.  It’s known

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The fruit puzzle:  what’s going on and why can’t we agree on a solution?

The fruit puzzle: what’s going on and why can’t we agree on a solution?

Relatively Interesting February 20, 2016 1

Another seemingly straight-forward (children’s) math problem is making the rounds on the Internet.  This time, it features fruit:  apples, bananas, and coconuts.  Now, the answer seems obvious at first glance, but due to a

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Can you find the 6 hidden words in this picture?

Can you find the 6 hidden words in this picture?

Relatively Interesting February 9, 2016 0

Here’s a wintery fun brain teaser/puzzle:  There are six hidden words in the picture below.  Try to find all of them.  How long did it take you?     BONUS:  This time, we won’t

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Galton’s Paradox Explained

Galton’s Paradox Explained

Relatively Interesting February 2, 2016 0

Galton’s Paradox supposes you have three fair coins.  Necessarily, two sides will match (ie:  two will be heads, or two will  be tails).  It’s an even probability that the third coin will be a

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A Visual Brain Teaser to Exercise your Occipital Lobe

A Visual Brain Teaser to Exercise your Occipital Lobe

Relatively Interesting January 7, 2016 0

Let’s exercise our occipital lobe (the visual processing center in mammalian brains) and test our cognitive abilities!  This brain teaser/puzzle is via SharpBrains. Pick the piece that’s missing from the diagram on the left:  

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How Many Times Can You Really Fold a Piece of Paper in Half?

How Many Times Can You Really Fold a Piece of Paper in Half?

Relatively Interesting August 6, 2015 0

A popular myth exists that one can only fold a single piece of paper in half, seven, maybe eight times at most. To squelch this popular myth, the folks over at Mythbusters did what

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This simple question has the Internet stumped.

This simple question has the Internet stumped.

Relatively Interesting June 19, 2015 4

Supposedly taken from a Hong Kong elementary school first grade student admissions test, this question has the Internet frustrated and stumped.  The question is:  “What parking spot # is the car parked in?”.  Please

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So, you think you’re a genius?  Let’s find out.

So, you think you’re a genius? Let’s find out.

Relatively Interesting April 7, 2015 0

Robert Streeter and Robert Hoehn – two self-proclaimed intelligence experts in the 1930’s – set out to find other intelligent people by publishing a book with devilishly difficult brain-teasers for members of the general

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The Hidden Tiger Puzzle

The Hidden Tiger Puzzle

Relatively Interesting November 28, 2014 3

The Hidden Tiger Puzzle… This optical illusion was created by American wildlife artist Rusty Rust. It shows a majestic Bengal Tiger standing in a bamboo forest.  Your mission, should you choose to accept it,

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