An example of a linear sequence. A list of numbers or diagrams that are in a particular order is called a sequence close sequenceA sequence is a set of numbers that follow a certain rule. For example, ...

A viral number sequence puzzle challenges players to find the next number in “2, 6, 12, 20, 30, ?”. Test your analytical ...

An optical illusion challenges viewers to find a subtle anomaly within a repeating pattern of the letters HJKL. The brain's ...

A variation of a puzzle called the “pick-up sticks problem” asks the following question: If I have some number of sticks with random lengths between 0 and 1, what are the chances that no three of ...

Prime numbers are the ones that have only two factors: 1 and itself. Credit: Ssindhwani / Wikimedia Commons Prime numbers are those divisible only by themselves and by one. Despite their apparent ...

A tricky brainteaser is likely to put even the sharpest of eyes to the test. Online bingo experts at tombola have crafted a tough brainteaser that only one in four can solve. The aim of the ...

Consider yourself lucky if you find a four-leaf clover because these are rare in nature. In the natural world, there is a number pattern that repeats itself: in the way flower petals are attached to a ...