In General orchard planting problem for circles , the problem of 4 points per circle has been studied. The problem here is that what is the maximum number of 5-point circles for a configuration of n points drawn on a plane? It is easy to show that we need 8 points to get two 5-point circles and 9...

What is the longest English sentence you can construct such that it's words strictly increase in length from left to right? The sentence needs to have some meaning, but I will be rather lenient with this. For example, this sentence would be acceptable: "The tiny horse chewed blankets gracefully"

A friend of mine is an English teacher, but he's always enjoyed listening to the sound of music in the classroom while he works, so I'm thinking he's looking for a change of job soon. Maybe these notes I found on his desk will help me figure out his (not so) new interest? e eay ie r w - iea 𝄇

The people you see below share something in common. All together they are almost equal to another person. Question: Who is this person? Explain why. (5)(3)(3)(4)(2)

6 questions A brick falls from an airplane carrying 1000 of the same over a forest. How many bricks fell to the ground? How do you put a giraffe inside a fridge? How do you put an elephant inside the fridge? The lion king had called the animals to a party, but only one animal didn't attend. W...

Here is a skeletal division to celebrate David Hilbert's birthday.

Years have passed, so the songs mr Physicson sings when at leisurely company with his son are not (neccessarily) nursery songs anymore. However, he has grown old himself, so cumulatively to his unique way of paraphrasing lyrics, he might have heard the original words just a tad differently, in a ...

As we say goodbye to the old year and welcome the new one, we have a tradition of sharing moderation stats for the preceding calendar year. As most of you here are aware, sites on the Stack Exchange network are moderated somewhat differently to other sites on the web: We designed the Stack Exch...