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# Category Archives: Mathematics

## The Fifteen Ball Puzzle

Can you arrange 15 billiard balls to form a “difference triangle” in the usual triangular configuration, that is, the arrangement that you would see before the start of a game of pool? The number 1 through 15 is arranged in … Continue reading

## The Sixth Power Problem

Only using digits 0 to 9 (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) once, can you form three numbers a, b and c so that the sixth power of c is equal to the sum of a and b?

## Random Joke #2: What’s 2 Plus 2

An engineer, a mathematician, a logician, a lawyer and an accountant apply for the position of manager of a large division. To determine who’s the most suitable applicant, the interviewer asked each of them to answer this question: “What’s 2 … Continue reading

## The Missing Leprechaun Puzzle

At first, there were 15 leprechauns when the three pieces of the puzzle pieces were put together. However, after swapping the two smaller pieces, there are now only 14 leprechauns left. One of the leprechauns has vanished! So, how is … Continue reading

Posted in Mathematics, Oddities, Puzzles
Tagged Blog, Geometry, Math, Mathematics, Oddities, Puzzles
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## A Curious Property Of The Square Root Of 2

One day, while doing some calculations involving the square root of 2, of which you’d most likely find boring, I discovered a little curiosity involving the square root of 2 by chance. Multiply by 1, 2, 3 and so on … Continue reading

## Transform Any Addition Magic Pentagram Into A Multiplication Magic Pentagram

Pentagram is a pentagon where the sides are extended until they intersect to form the shape of a five-pointed star. There are ten intersections and five line segments in a pentagram. Each line segment consists of four vertices or intersections … Continue reading

## Multiply by 5 In Your Head

Multiplying by 5 mentally is easy since you just divide the number to be multiplied by 2 and multiply the result by 10, (also very simple, by just adding 1 zero to the number or if the number has a … Continue reading